Ford New Holland Series 7209 Quick Attach Farm Loader Operator’s Manual Instant Download (Publication No.42720911)

1
42720911
2
CONTENTS
OWNER ASSIGTANCE .................................
..................................................
........................................3 INTRODUC
TION..............................................
..................................................
......................................4 SAFETY
PRECAUTIONS.......................................
..................................................
..............................5 OPERATION........
..................................................
..................................................
...........................610 Preparing
Tractor...........................................
..................................................
.................................6 Inspection.....
..................................................
..................................................
.......................... 6 Install Counter
Balance...........................................
..................................................
................. 6 Adjust Front Tread
..................................................
..................................................
.................6 Operating Loader..............
..................................................
..................................................
.......6-10 Filling Bucket ......................
..................................................
..................................................
6-7 Lifting Load .................................
..................................................
.............................................7 Car
rying Load .......................................
..................................................
...................................7 Dumping
Bucket ...........................................
..................................................
...........................7 Lowering Bucket
..................................................
..................................................
....................8 Operating With Float
Control ..........................................
..................................................
......... 8 Loading From A Bank...................
..................................................
........................................8-9 Peelin
g And Scraping ...................................
..................................................
...........................9 Loadings Low Trucks
Or Spreaders From A Pile..........................
..............................................9
Backflling........................................
..................................................
....................................9-10 Handling
Large Heavy Objects...............................
..................................................
............... 10 MAINTENANCE....................
..................................................
.................................................
........11-12 Daily Maintenance
..................................................
..................................................
......................11 Lubrication
Diagram...........................................
..................................................
........................... 11 Air
Cleaner...........................................
..................................................
.........................................
11 Troubleshooting ...............................
..................................................
.............................................12 SE
RVICE.............................................
..................................................
............................................13-15
Cylinder Service.................................
..................................................
...........................................
13 Control VaNe Service ..........................
..................................................
....................................14-16 Self-Lev
eling Valve Service ..............................
..................................................
............................17 ASSEMBLY
..................................................
..................................................
.................................18-33
Installing Loader Mounting Brackets...............
..................................................
.........................18-19 Installing Loader
Onto Mounting Brackets............................
..................................................
...19-20 Loader Main Frame........................
..................................................
...............................................21
Loader Main Hydraulic System......................
..................................................
...............................22 Remote Control
Valve Detent Conversion...........................
..................................................
....23-24 Self-Leveling Valve ...................
..................................................
...............................................25-
26 Single Lever Control Valve Installation
Plumbing .........................................
.........................27-29 Plurréing Optional
Auxiliary Control Valve To Loader Tractor
Hydraulics.............................30-31
Loader Buckets ..................................
..................................................
......................................32-33 DISMOU
NTING AND MOUNTING LOADER.........................
..................................................
........34-35 SPECIFICATIONS......................
..................................................
..................................................
.......36 SAFETY DECALS ..........................
..................................................
..................................................
...37
2
F-2483-7-92
3
OWNER ASSISTANCE

• We at Ford New Holland and your Ford New Holland
  Dealer want you tobe completely satisfied with
  your investment. Normally any problems with your
  equipment will be handled by your Dealer's
  Service Department. Sometimes, however, a
  misunderstanding can occur. If your problem has
  not been handled to your satisfaction, we suggest
  following.
• Contact your dealership owner or General Manager,
  explain your problem and request assistance. When
  additional assistance is needed, your dealer has
  direct access to our branch offices.
• If you cannot obtain satisfaction by doing this,
  contact Ford New Holland branch office in your
  area and provide them with
• Your name, address, ard telephone number. Your
  equipment Model and Serial numbers.
• Your dealership name ard address.
• Purchase date and amount of use on your
  equipment.
• Nature of problem you are experiencing.

FORD NEW HOLLAND BRANCH OFFICES New Holland,
Pennsylvania 500 Oilier Avenue New Holland, PA
17557 Phone [phone]
Atlanta, Georgia 2000 Mountain Industrial Blvd.
Tucker, GA 30084 Phone [phone]
Calgary, Alberta Box 1616, Main P.O. Calgary, AB
CANADA T2P 2M7 Phone [phone]
Dallas, Texas P.O. Box 10227 Dallas, TX
75207 Phone [phone]
Minneapolis, Minnesota P.O. Box 1342 Minneapolis,
MN M440 Phone [phone]
IF YOU NEED FURTHER ASSISTANCE,
CONTACT Consumer Services Department Ford New
Holland, Inc. Mall Station 500 New Holland, PA
17557 When contacting Ford New Holland's branch
office or Consumer Services Department, be aware
that your problem will likely be resolved in your
dealership, using your dealer's facilities,
equipment, and personnel, so it is important that
your initial contact be with your dealer. A
Sen/ice Publications Catalog Order Form is
available which lists the operator's and service
manuals for many prior model and most current
model Ford - New Holland - Versatile tractors,
equipment, and consumer products. To obtain a
oopy of this catalog, please call 1-800-635-4913
F-2483-1-93
4
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INTRODUCTION
This manual provides operation, maintenance,
assembly and parts identification for your new
loader.
If, at any time, you have a service problem with
your loader, or need new parts, contact your
local Ford New Holland Dealer.
Your Ford 7200 Loader with Quick Attach Feature
is designed for use on Ford2810, 2910, 3230,
3430,3910,3930, 4000AP, 4100AP, 4600AP, 4610SU,
4610 Narrow Orchard ( minimum 62" front tread
setting), 4610AP-3-Cylinder (Minimum
56 frontPead setting), 4650AP, 4830and503o2WD
tractors less cab w8h horizontal or vertical
exhaust.
Your dealer will need the loader model number and
serial number to give you prompt efficient
service.
Fill in the loader serial number and date
purchased below. The serial number plate is
located on the inside of the left boom arm.
Successful operation and long life of the loader
depends, of course, on proper operation and the
care given it. Please read this manual
carefully and follow the instructions. Correct
operation and maintenance will save much time and
expense This SAFETY ALERT SYMBOL identifies
IMPORTANT SAFETY
FORD NEW HOLLAND INC. NEW HOLLAND, PENNSYLVANIA
7209
MESSAGES OBSERVE
in this manual. and FOLLOW all
SAFETY MESSAGES to prevent
9606982
personal INJURY.
MADE IN U.S.A.
The reference to left hand and right hand used in
this manual refers to the position when standing
at the rear of the unit facing forward.
DATE PURCHASED
Series 7200 Loader Mounted on a Ford Tractor
4
F-2483-7-90
6
Ñ?tÎ-1TY ÎÜIC?\UTIONS
The following precautions are suggested to help
prevent accidents.

• Allow for the loader length when making turns.
• Stop the loader arms gradually when lowering or
  lifting.
• Use caution when handling loose or shiftable
  loads.
• Carry bucket at a low position during transport
  for better visibility.
• When parking or servic'ing, lower bucket to
  ground, stop engine and set park brakes before
  leaving the tractor seat.
• Operate the loader controls only when properly
  seated at the controls.
• Using front end loaders without special
  attachments for handling large heavy objects,
  such as large round or rectangular bales, logs
  and oil drums, is NOT RECOMMENDED.
• Handling large heavy objects can be extremely
• dangerous due to
• G Danger of rolling the tractor over.

• A careful operator is the best operator. Most
  accidents can be avoided by observing certain
  preca utions. Read and take the following
  precautions before operating the tractor and this
  loader to help prevent accidents. Equipment
  should be operated only by those who are
  responsible and instructed to do so.
• GENERAL
• Read the Operator's Manual carefully before using
  the tractor or loader. Lack of operating
  knowledge can lead to accidents.
• Replace damaged or illegible safety decals. See
  page 29 for required decals.
• Operate tractor and loader only from the
  operator's seat.
• THE TRACTOR
• Use an approved roll bar and seat belt for safe
  operation. Overturning a tractor without a
  rollbar can result in death or inj ury. If your
  tractor is not equipped with a rollbar and seat
  belt, see your Tractor Dealer.
• Equip your tractor with FOPS (Falling Object
  Protective Structure) before installing or
  operating the loader.
• Always use the seat belt when the rollbar is
  installed. Do not use the seat belt if the
  rollbar is removed from the tractor.
• Add recommended wheel ballast and/or rear weight
  as recommended in owner's manual to provide good
  stability.
• Move the wheels to the tractor manufacturer's
  widest recommended settings to increase
  stability.
• Move and turn the tractor at low speeds. THE
  LOADER
• I . Improper use of a loader can cause serious
  injury or death.
• Do not lift or carry anybody on the loader or in
  the bucket or attachment.
• Never allow anyone to get under the loader bucket
  or reach through the lift arms when the bucket
  is raised.
• Do not walk or work under a raised loader or
  bucket or attachment unless it is securely
  blocked or held in position.
• Avoid overhead wires and obstacles when loader
  is raised. Contacting electric lines can
  cause electrocution.
• Make sure all parked loaders are on a hard, level
  surface. Engage all safety devices.
• OPERATING THE LOADER

0 Danger of upending the tractor. 0 Danger of
the object rolling or sliding down the loader
arms onto the operator.

• 13. If you must perform this sort of work (see 12
  above), protect yourself by
• G Using the proper attachment.
• 0 Never lifting the load higher than necessary
  to clear the ground when moving.
• G Ballasting the tractor rear to compensate for
• the load.
• G Never lifting large objects with equipment
• that does not have an anti-rollback device.
• G M o v i n g sI ow I y a nd c a r ef uII y,
  a vo i di ng
• rough terrain.
• MAINTENANCE
• When servicing or replacing pins in cylinder
  ends, buckets, etc., always use a brass drift and
  hammer. Failure to do so could result in injury
  from flying metal fragments.
• Do not modify or alter or permit anyone else to
  modify or alter the loader or any of its
  components or any loader function without first
  consulting a Ford Tractor Dealer. If you have
  any questions regarding loader modifications
  contact Ford New Holland Inc.
• Always wear safety goggles when servicing
  or repairing the machine.
• Escaping hydraulic/diesel fluid under pressure
  can penetrate the skin causing serious injury.
• G DO NOT use your hand to check for leaks. Use a
• piece of cardboard or paper to search for leaks.
• G Stop engine and relieve pressure before
  connecting or disconnecting hydraulic or diesel
  lines.
• G Tighten all connections before starting engine
  or
• pressurizing lines.

ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!
Whenever you see this symbol it means
5
F-2483-12-87
7
OPERATION

• INSTALLING COUNTERBALANCE
• WARNING Before operating a tractor filth a
  loader, make sc/re there io sufficient
  aountemelght at the zaar at the izactor.
• Before operating the loader, for optimum
  stability, additional weight should be added to
  the rear of the tractor with rear wheel weights,
  liquid ballast or three-polnt hitch
  counterweight. The maximum total rear axle weight
  recommended is 5e00 pounds for 281o, zslo, 3230,
  . 3910, 3030, 4QX\AP, 4100AP, 4BX\AP and 4610SU
  tractor
• models and 6200 pounds for 4610AP, 4610 Narrow
  Orchard and 4630AP bactor models. Refer to your
  tractor operator's manual for additional
  counterweighting information.
• The effective counterbalance weight of mounted
  rear equipment Is determined by multiplying the
  actual weight of equipment by 1.50
• EXAMPLE Equipment weighing 800 pounds, attached
  to the rear of tfie tractor, multiplied by 1.50,
  eqoa/s 120o pounds of effective counter6alanae
  ht.
• ADJUST FRONT TREAD
• Front axle tread must be set at a minimum of 62'
  on the 4610 Orchard tractor and a minimum of 56'
  on the 4610AP tractor so tires will clear loader.
  Check tire clearances once the loader is
  installed and adjust steering stops if necessary.
  Refer to the tractor operators manual.

PREPARING TRACTOR PRIOR TO
OPERATION WARNING Read all operator's manuals
before in- Expecting, sa/vicirg or operating
loader and tractor.

• INSPECTION
• Thoroughly inspect the fully assembled kader and
  tractor prior to operation.
• Check all hardware to be sure that it Iss been
  properly Installed and tightened. Retighten all
  Iwdware after the firQ 10 boursd operation.
• Check tire pressure. Refer to the tractor
  operator's manual for recommended pressures.
• Review tractor lubrlcation schedule and consult
  MAINTENANCE section of this manual to be certain
  that all plvot points have been propely
  lubrlcated.
• Use the method described in MAINTENANCE section
  of thls manual to check all hose and tubing
  connections to insure that no leaks are present.
• Be sure the FOPS (Falling Obect Protective
  Structure) is Installed.

OPERATING LOADER The loader should be operated
with the tractor engine running at 1700-2200 rpm.
Excessive speeds are dangerous, and may cause
bucket spillage and unnecessary strain on the
tractor and loader. When operating in
temperatures below 3OF., run the tractor engine
below 1200 rpm until the oil temperature exceeds
3OF.
Loaders with 1-lever control, ease lever back
and toward you to lift and rollback the bucket.
1-Lever ontr
LIFT
ROLLBACK
The following text and illustrations offer
suggested loader and tractor operating techniques.
Loaders with 2-lever controls, ease both levers
up to lift and rollback the bucket.
FILLING THE BUCKET
Approach and enter the pile with a level bucket.
2-Lever ontro
ROLLBACK LIFT
6
F-2483-7-92
8
OPERATION
The lift and rollback of the bucket will increase
efficiency because DO THIS
Use extreme care when operating the loader on a
slope, keep the bucket as low as possible. This
keeps the bucket and tractor center of gravity
low and will provide maximum tractor
stability. WARNI NG Operating the loader on a
hillside is dangerous. Extreme care is
recommended to avoid overturn.
a level bucket throughout the lifting cycle
resists bucket lift and increases breakaway
effon. NOT THIS
NOTE Do not be concerned if the bucket is not
completely filled dz/rinp each pass. Maximum
productivity is z/etermined 6y the amount a/
material loeded in a pfVfi/? period of time.
Time is lost if two or more attempts are made to
fill the bucket on each pass. LIFTING THE
LOAD When lifting the load, keep the bucket
positioned to avoid spillage.
DO THIS
NOT THIS
When transporting the load, keep the bucket as
low as possible to avoid tipping, in case a wheel
drops in a rut.
NOT THIS
DO THIS
Lift the bucket high enough to clear the side of
the vehicle. Move the tractor in as close to the
side of the v-hicle as possible, then dump the
bucket.
CAUTION Do nor attempt to lift bucket loads in
excess of the loader capacity. CARRYING THE
LOAD Position the bucket just below the level of
the tractor hood for maximum stability and
visibility, whether the bucket is loaded or
empty. F-2483-7-90
9
OPERATION
0 LOADING FROM A BAN K
0 LOWERING THE BUCKET
After the bucket is dumped, back away from the
vehicle while lowering and rolling back the
bucket.
Choose a forward gear that provides sufficient
ground speed for loading.
FLOAT POSITION LOWER Lever Control
RAISE
ROLLBACK
Exercise caution when undercutting high banks.
Dirt slides can be dangerous. Load from as low as
possible for maximum efficiency. Loader lift and
break-away capacity diminish as loading height is
increased.
2-Lever Controls
FLOAT
0 OPERATING WITH FLOAT CONTROL
Sidecutting is a good technique for cutting down
a big pile.
During hard surface operation, keep the bucket
level and put the lift control in the float
position to permit the bucket to float on the
working surface. If hydraulic down pressure is
exerted on the bucket it will wear faster than
normal.
FLOAT
If the pile sides are too high and liable to
cause cave-in, use the loeder to break down the
sides until a slot can be cut over the top.
The f'loat will also prevent the mixing of
surface material with stockpile material. The
float position will reduce the chance of surface
gouging when removing snow or other material, or
when working with a blade.
FLOAT
Another method for large dirt piles is to build a
ramp approach to the pile. F-2483-7-50
10
OPERATION
0 LOADING LOW TRUCKS OR SPREADERS FROM A PILE
It's important to keep the bucket level when
approaching a bank or pile. This will help
prevent gouging the work area. PEELING AND
SCRAPING
For faster loading, minimize the angle of turn
and length of run between pile and spreader.
Use a slight bucket angle, travel forward, and
hold the lift control forward to start the cut.
Make a short, 5 to 8 foot, angle cut and
break-out cleanly.
Backgrade occasionally with a loaded bucket to
keep the working surface free of ruts and holes.
Also, hold the lift control forward so the full
weight of the bucket is scrapine the ground. Use
the heel of the bucket. 0 BACKF)LLING
With the bucket level, start a cut at the notch
approximately 2 deep. Hold the depth by
feathering the bucket control to adjust the
cutting lip up or down. When the front tires
enter the notch, adjust the lift cylinder to
maintain proper depth.
DO THIS !
3rd Cut
4th Cut, etc.
Make additional passes until the desired depth is
reached. During each pass, only use .the bucket
control while at working depth. This will allow
you to concentrate on controlling the bucket
angle to maintain a precise cut.
Approach the pile with a flat bucket.
F-24
11
OPERATION
NOT THIS I
DITCH
Poor methods actually move no more dirt and make
it more difficult to hold a level grade.
Leave dirt which drifts over the side of the
bucket for final Chin-up.
Do not use the bucket in the dumped position
for bulldozing. This method, shown above, will
impose severe shock loadings on the dump linkage,
the bucket cylinder, and the tractor.
Pile dirt on the high side for easier backfilling
on a slope. G HANDLING LARGE HEAVY OBJECTS
a dt a Se
the bu
et becâi?sedumpiñ
on eâch pass
WARNING f. Using front end loaders for handling
/arge f?eavy objects such as larpe round or
rectangular bales, logs end oil drums is not
recommended.
DITCH
2. Handling large heavy objects can be
extremely denperous due to. G Denger of rolling
the tractor over. M Danger of upending the
tractor. M Danger of the object rolling or
sliding down the loader arms onto the operator.
SOIL PILE
Operate at right angles to the ditch. Take as big
a bite as the tractor can handle without lugging
down.
y. If you must perform the above work. protect
yourself
M Using the proper arrac/?menr. /Vever
///r/fzp the load higher than necessary to clear
the ground when moving. M Ballesting the cracror
rear to compensate for the
Safe Operation Is Your Best Protection Against
Accidents
/\lever lifting large objects with equipment
that does not have an anti-rollback device. M
Moving slowly and carefully, avoiding
rough terrain.
F 2483-7-90
10
12
MAINTENANCE
Regularmaintenance of your loader andhydraulic
system will insure maximum loader efiiciency and
long life. WARNING NEVER perform maintenance
beneath a raised loaderunless/oaderisproper/yes/pp
o/Yedfopreventacciden- tal lowering.
WARNING Escaping hydraulic fluid under pleasure
can panePata sk/n causing serious personal
inin DO NOT usayourhand to cheok for leaks,
Usaapiece of cardboard or paper to oearnh for
leaks. M Stop engine and relievepreasure befoze
connecting or diaaonrieating linea. Fig/iten
all connections before otading angina orprea-
DAILY MAINTENANCE
Check fluid level of tractor hydraulic system
before starting each day's operation. If
necessary, add Ford 134 hydraulic oil as
recommended in your tractor operator's
manual. After every three hours of operation,
lubricate all twelve grease fittings one at each
end of lift boom arms, one in each boom link pin,
and one at rod and base ends of each lift and
bucket cylinder. Repair hydraulic oil leaks
promptly to avoid loss of oil and serious
personal injury from escaping oil.
If any fluid io injected into okin, obtain
medical attention izrvriedfafa/y or gaupzene may
iasult. Replace hoses immediately if they are
severely damaged by a cut or scrape, extruded at
fittings, or leaking. G After every ten hours of
operation, check all hardware and tighten where
required.
LUBRICATION POINTS EVERY 3 HOURS OF
OPERATION EVERY 3 tlOURS OF OPERATION
AIR CLEANER MAINTENANCE Maintenance of the
tractor air cleaner on FORD Series 10 and Series
30 tractors with the 7209 loader mounted requires
following
AIR CLEANER

1. Locate tractor on firm ground.
2. Dump bucket and lower it to the ground. Engage
   tractor brakes and shut off tractor engine. Move
   lift control lever back and forth several times
   to relieve pressure on lift cylinders.
3. Replace tractor air cleaner according to
   instructions in the owners manual.

F-2483-7-92
11
13
MAINTENANCE
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE REMEDY
1. Loader slow or will not lift and/or dump. . Hydraulic oil too heavy. Oil filter plugged. Hydraulic pump worn. Oil line restricted or leaking. Control valve does not shift properly. Air in hydraulic system. Cylinder leaks. Faulty relief valve. Change to proper oil. Clean or replace filter. Repair or replace pump. Check all hoses and tubes for leaks, damage or restrictions. Replace damaged or restricted hoses or tube lines. Inspect, clean, repair or replace valve or linkage. Cycle lift cylinders and bucket cylinders several times to free system of air. Replace seals. Clean or replace relief valve.
2. Loader chatters or vibrates when raising or lowering. Air leak in pump inlet line. Air in hydraulic system. Oil level too low. Check, tighten or replace inlet line. Cycle lift cylinders and bucket cylinders. Add oil ss required.
3. Boom delay at start unstable self-level. 1. Air in system. 1. Cycle lift cylinders and bucket cylinders several times to free system of air.
4. Loaded bucket dumps or uncurls when control valve spool is in neutral. I . Unloading spool is leaking. 2. Control linkage binding. . Cylinder seals bypassing oil. Remove and inspect unloading spool for damage. Inspect, adjust or repair linkage. Repair or replace Cylinders.
5. Insufficient self-level. I. Set screw is out of adjustment. Spring on unloading spool is broken. Flow divider spool is stuck towards adjustment pin side. Readjust set screw to achieve proper flow split. Remove plug and replace unloading spool spring. Remove flow divider spool and check for damage.
6. Bucket dumps faster than boom raises. Too much self-level. Set screw is out of adjustment. Flow divider spool is stuck towards port B. Flow divider spool Is installed wrong. Readjust set screw to achieve proper flow split. Remove flow divider spool and inspect for damage. Remove spool and install with internal orifice toward port B.
7. With bucket dumped boom is slow in starting to raise. f. Dampening orifice in unloading spool is plugged. 1. Remove unloading spool and clean dampening orifice.
8. Bucket does not move in self-level. Set screw is soewed in all the vwy. Dampening orifice in unloading spool is p! 99 a. Ports A anrl B are plumbed backwards. Readjust set screw to achieve proper flow split. Remove unloading spool and clean dampening orifice. Reverse hoses on ports A and B of self-level valve.
9. Bucket curls i self-level. 1. Ports C and D are plumbed backwards. I . Reverse hoses on ports C end D of self-level valve.
10. External leakage. 1. Damaged seals. 1. Remove leaking component and replace seals.
11. Pump noisy. I . Inlet line restricted or leaking. Oil level too low. Pump worn or damaged. t. Check for air leaks. restrictions or collapsed hose. Tighten or replace hose. Clean filter if necessary. 2. Add oil as required. 3. Repair or replace pump.
12. Bucket tines bend or break. 1. Only a few tines were under load. I . Be sure three or more tines are under load.
13. Excessive wear on bucket cutting edge. 1. Bucket is riding on cutting edge instead of wear pads. Use boom "FLOAT" position or bucket level indicator to ensure bucket rides on wear pads.
F-2483-7-92
14
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SERVICE
CYLINDER SERVICE
4. Remove piston wear ring (11), piston seal (10)
and o- ring (9) from outside grooves of piston
(8).
The cylinders are designed to be reliable and
easy to service. If a cylinder should malfunction
during the warranty period, return the complete
cylinder assembly, without disassembling, to your
authorized service department or contact your
authorized service department for instructions.
Unauthorized disassembly of a cylinder in the
warranty period will VOID WARRANTY. The
following is an outline of the procedure for
disassembling and reassembling the cylinders.
5. Remove wiper seal (2), snap ring (3),
reinforcing washer (4), v-pack set (5) from
inside of cylinder head and o-ring (7) from
groove on outside of head.
6. Clean all parts, including cylinder tube, in a
suitable cleaning solvent. then use air pressure
to blow any dirt or excess solvent from all parts.
7. Examine all parts for wear or damage and
replace, if necessary.
LIFT BUCKET CYLINDERG

• CYLINDER REASSEMBLY
• NOTE Be csreyu/ not to damage seals, packings
  and a- rings on the edpes or holes in cylinder
  tube. lnspect and remove burrs and sharp edpes if
  necessary before reassembling.
• Place new v-pack set (5) in head (6).
• NOTE Lips on v-pack must face towerd the inside
  ol' head.
• Place reinforcement washer (4) on top of v-pack
  set (5) and force down below snap ring groove.
• Install snap ring (3) into snap ring groove.
• NOTE Rounded outside edge of snap ring must face
  inward and snep rinp must be firmly seeted in
  groove.

CYLINDER DISASSEMBLY
4. Install wiper seal (2) with lip of seal facing
out and flush with top of cylinder head (6).
1. Hold cylinder tube (13) stationary and rotate
cylinder head (6) so beveled end of wire
ring(14)wilI thread out through slot.
Place o-ring (7) in groove on outside of head (6).
6. Remove sharp edges on outer edge of threaded
end of shaft (1). Lubricate wiper seal (2) and
v-packing (5) in head and carefully slide head
(6) onto shaft.
RETAINING RING (14)
CYLINDER TUBE (13) (Hold stationary)
7. Place o-ring (9), piston seal (10) and piston
wear ring (11) in grooves on outside of piston
(8).
NOTE ror easier installation, place piston
seal(l0) in l20y water to warm seal.
CYLINDER HEAD (6) (Rotete to install retaining
ring, reverse rotation to remove.)
8. Slide piston (8) onto threaded end of shaft
and install 1 elastic lock nut (12) to 300 ft.
lbs.
2. Pull shaft (1) with all assembled parts out of
cylinder tube (13).
9. Lubricate piston wear ring (11) and piston
seal (10) on piston (8) and o-ring (7) on head
(6) and carefully slide piston and head into
cylinder tube (13).
NOTE Resistance will be felt sari/ piston seal
(IO) slides over the wire retaining ring groove.
10. Turn cylinder head (6) until hole in wire
ring groove appears in slot in cylinder tube
(13). Insert hook end of wire ring (14) into hole
and turn cylinder head to thread wire ring into
groove.
3. Remove 1 elastic lock nut (12) from end of
shaft and slide cylinder piston (8), and cylinder
head (6) off the shaft.
F-2482-7-92
13
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