Caterpillar Cat 140G MOTOR GRADER (Prefix 81V) Service Repair Manual Instant Download (81V00382)

1
Service Repair Manual
Models 140G Motor Grader
2
Shutdown SIS
Previous Screen
Product MOTOR GRADER Model 140G MOTOR GRADER
81V Configuration 140G MOTOR GRADER
81V00382-01030 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 12G, 130G 140G MOTOR
GRADER POWER TRAIN Media Number
-SENR7186-01 Publication Date -01/11/1989
Date Updated -24/02/2006
SENR71860006
Drive Sprockets SMCS - 4072-11 4072-12 Remove
Drive Sprockets
start by a) remove tandem housings
1. Remove nut (1) with tool (A).
3

1. Remove sprockets (2) and (3). Weight of one
   sprocket is 32 lb. (15 kg).
2. Do Steps 1 through 2 for the other drive
   sprockets.

Install Drive Sprockets
1. Put sprocket (1) in position on the shaft.
Install sprocket (1) with the hub of the sprocket
away from the final drives.

• Put sprocket (2) in position on the shaft.
  Install sprocket (2) with the hub toward the hub
  on sprocket (1).
• Put the nut that holds the sprockets on the shaft
  in position on the shaft. Install the axle in the
  differential and final drive.
• NOTICE
• The following procedure must be used to put the
  correct amount of preload on the bearings for the
  final drives

1. Tighten the nut to a torque of 150 lb. ft. (20.7
   mkg) with tool (A).
2. Turn the sprockets to put the bearings in their
   seats.
3. Hit the hub of the sprocket with a large punch
   and a hammer.

4
https//www.ebooklibonline.com Hello dear
friend! Thank you very much for reading. Enter
the link into your browser. The full manual is
available for immediate download. https//www.ebo
oklibonline.com
5

• Do Steps A, B, and C until the nut does not turn
  when it is tightened.
• Loosen the nut.
• Tighten the nut to a torque of 100 lb. ft. (13.8
  mkg).
• If the nut is in a locking position, install the
  cover and the bolts that hold it.
• If the nut is not in a locking position, tighten
  the nut to the next nearest locking position.
  Install the cover and the bolts.
• 4. Do Steps 1 through 3 for the other drive
  sprockets. end by
• a) install tandem housings

Copyright 1993 - 2020 Caterpillar Inc. All Rights
Reserved. Private Network For SIS Licensees.
Tue Feb 4 121832 UTC0800 2020
6
Disassemble Final Drives
7
start by a) remove axles
1. Remove the nut that holds the sprockets on the
shaft with tooling (A). Install tooling (B) on
the shaft.
8
2. Lift the machine off the ground. Install
tooling (D) under the rear frame as shown. Remove
the bolts that hold covers (1) from the tandem
housing. Remove covers (1).

1. Install tooling (C) on the rear wheels. Fasten a
   hoist to the tandem housing and tooling (C).
   Install tooling (E) between tooling (C) and the
   hoist to help keep the tandem housing in balance.
   Disconnect the air line from the tandem housing.
2. Remove nuts (2) and the washers that hold the
   tandem housing to the final drive housing.

• Move the tandem housing away from the final drive
  housing and on to tooling (B).
• NOTE Tooling (B) keeps the sprockets in their
  correct positions in the tandem housing.
• Remove tooling (B) from the shaft. Do not remove
  tooling (B) from the sprockets.
• Move the tandem housing away from the machine.
  Weight is 2300 lb. (1043 kg).

9

1. Remove O-ring seal (3) from the housing. Remove
   bearing (4) from the shaft.
2. Remove bolts (5) that hold retainer (6) to the
   housing. Remove retainer (6).
3. Remove the washer that is between the final drive
   housing and retainer (6). The washer is in three
   sections.
4. Install two 5/8"-11 NC forged eyebolts (11) and
   nuts in the housing as shown. Put a fork lift
   truck in position under the housing. Install
   tooling (F) on the lift truck and the eyebolts.

1. Pull the outer housing (8) from the inner housing
   with tooling (F).
2. Remove two oscillation bearing rings (9) from the
   housings. Remove washer (7) from the inner
   housing. Washer (7) is in three sections.

1. Put tooling (G) and a floor jack in position
   under inner housing (13). A rag can be put
   between tooling (G) and the housing to prevent
   damage to the housing.
2. Remove nuts (10) and the washers that hold inner
   housing (13) to the bevel gear case.
3. Install two 3/4"-10 NC forcing screws (14) in the
   housing. Remove the inner housing far enough to
   instalo tooling (H) on the housing. Fasten a
   hoist to tooling (H). Put an axle in position in
   the final drive housing to help keep the housing
   in balance.

10

1. Install a wire around the forcing screws and the
   planet carrier to keep the planet carrier from
   falling. Remove inner housing (13) and the planet
   carrier. Weight is 360 lb. (163 kg). Remove O-
   ring seal (12). Remove the O-ring seal from the
   inside surface of inner housing (13).
2. Put the final drive housing in position on blocks
   with the planet carrier up. Remove the wire and
   the forcing screws from the housing.

19. Remove pinion (16) from planet carrier (15).
Fasten a hoist to planet carrier (15) and remove
it. Weight is 90 lb. (41 kg).

1. Bend the locks away from the bolts that hold
   shafts (17) to the planet carrier. Remove the
   locks and the bolts. Remove retainers (18) from
   the shafts.
2. Remove shafts (17) from the planet carrier.
   Remove gears (21) and washers (20) from the
   planet carrier. Remove rollers (19) from gears
   (21).

22. Remove ring (23) from the planet carrier with
tooling (I). Remove washer (22) from the planet
carrier.
11

1. Bend the locks away from bolts (25). Remove bolts
   (25). Remove plates (26) that hold ring gear (24)
   to the housing.
2. Remove ring gear (24). Weight is 38 lb. (17 kg).

25. Remove shaft (27) from the housing. Weight is
40 lb. (18 kg).
26. Remove bearing (28) from shaft (27) with
tooling (J).

1. Remove bearing cup (29) from the housing with
   tooling (K). Remove the lip-type seal from the
   housing. Remove the bearing cup from the other
   end of the housing with a hammer and a punch.
2. Do Steps 1 through 27 for the other final drive.

12
Assemble Final Drives

• Lower the temperature of bearing cup (1). Install
  bearing cup (1) in the housing.
• Install the seal in the housing with tooling (J).
  Install the seal with the lip toward bearing cup
• (1). Put clean oil on the seal.

13

1. Put inner housing (4) in position on blocks as
   shown. Lower the temperature of the bearing cup
   and install it in the housing.
2. Heat bearing (7) in oil to a maximum temperature
   of 275 F (135 C). Install bearing (7) on shaft
   (6). Install the shaft and the bearing in the
   bearing cup and housing (4).
3. Put ring gear (2) in position on housing (4).
   Install plates (5) in the groove of the ring
   gear. Install the locks and bolts (3) on the
   plates. Bend the locks against the bolts.
4. Install the washer in the carrier. Install the
   large retaining ring that holds the washer with
   tool (B).

7. Install the rollers in the gears. Install the
gears and the washers in planet carrier (8).
Install shafts (9) that hold the gears in the
planet carrier. Install the retainers, the bolts
and the locks that hold the retainers. Bend the
locks against the bolts.
8. Put the carrier on its other end. Fasten a
hoist to the carrier. Put planet carrier (8) in
position on shaft (6) and in ring gear (2).
Install pinion (10) in the planet carrier.
Install a wire to hold the planet carrier in
position in the housing.
9. Install O-ring seal (11) on the housing.
Install tooling (C) on housing (4). Fasten a
hoist to tooling (C). Lift housing (4) and put it
in position on tooling (D) and a floor jack. Put
axle (12) in position in the housing to help keep
the housing in balance.
14

1. Move the final drive housing toward the bevel
   gear case. Remove the wire that holds the planet
   carrier in the housing. Remove tooling (C) and
   the hoist from the housing.
2. Put the final drive housing in position over the
   studs in the bevel gear case. Install the nuts
   and the washers that hold it. Remove tooling (D).

1. Tighten nuts (13) to a torque of 320 15 lb. ft.
   (44.3 2.1 mkg). Install O-ring seal (14) on the
   housing. Put STP OIL TREATMENT or CASITE MOTOR
   HONEY on the seal.
2. Install tooling (E) on the outer housing. Fasten
   a hoist to tooling (E). Put some oil on the
   inside surfaces of the oscillation bearing rings
   (15) and on the outside surface of the inner
   housing. Install rings (15) in outer housing
   (17). Install washer (16) on the inner housing.
   Washer (16) is in three sections. Put some clean
   grease on the washer.
3. Put housing (17) in position on the inner
   housing. Rings (15) and housing (17) can be moved
   with a soft hammer if necessary. Remove tooling
   (E).

15. Install bearing (20) on the shaft. Install
washer (18) on the face of the outer housing.
Washer (18) is in three sections. Put some clean
grease on the washer. Install retainer (19) on
the washer. Install the bolts and the washers
that hold the retainer. Tighten the bolts to a
torque of 185 10 lb. ft. (25.6 1.4 mkg).
16. Install tooling (H) on the rear wheels.
Fasten a hoist and chains to the tandem housing.
Fasten chains and tooling (F) to the hoist and
the rear wheels. Put the tandem housing and
tooling (G) in position on the final drive
housing and the shaft. Install the nuts and the
washers that hold the
15
tandem housing to the final drive housing.
Tighten the nuts to a torque of 185 10 lb. ft.
(25.6 1.4 mkg).
17. Remove tooling (F) and (H) from the tandem
housing and the rear wheels. Remove tooling (G)
from the sprockets. Connect air line (21) to its
correct location. Install the covers and the
gaskets on the tandem housing. Install the nut
that holds the sprockets on the
shafts. NOTICE The following procedure must be
used to put the correct amount of preload on the
bearings for the final drive

• Tighten the nut to a torque of 100 lb. ft. (13.8
  mkg) with tooling (A).
• Turn the wheels to put the bearings in their
  seats.
• Hit the hub of the sprocket with a large punch
  and a hammer.
• Repeat Steps A, B and C until the nut does not
  turn when it is tightened.
• Loosen the nut.
• Tighten the nut to a torque of 50 lb. ft. (6.9
  mkg).
• If the nut is in a locking position, install the
  axle, the cover and bolts.
• If the nut is not in a locking position, tighten
  the nut to the next nearest locking position.
  Install the axle, the cover and the bolts.
• Bend the locks against the bolts. Fill the tandem
  housing with oil to its correct level.
• Do Steps 1 through 18 for the other final drive.

Copyright 1993 - 2020 Caterpillar Inc. All Rights
Reserved. Private Network For SIS Licensees.
Tue Feb 4 121928 UTC0800 2020
16
Shutdown SIS
Previous Screen
Product MOTOR GRADER Model 140G MOTOR GRADER
81V Configuration 140G MOTOR GRADER
81V00382-01030 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 12G, 130G 140G MOTOR
GRADER POWER TRAIN Media Number
-SENR7186-01 Publication Date -01/11/1989
Date Updated -24/02/2006
SENR71860008
Transmission Oil Filter Base SMCS - 3164-11
3164-12 Remove Transmission Oil Filter Base

1. Remove the plug at the bottom of oil filter (3)
   and drain the oil from the filter. Replace the
   plug. Remove the filter from the filter base.
2. Remove bolts (1) that hold the base to the
   transmission. Remove transmission oil filter base
   (2).

Install Transmission Oil Filter Base
1. Put transmission oil filter base (1) in
position on the transmission. Install the bolts
that hold the base to the transmission.
17
2. Install the oil filter on the oil filter base.
Copyright 1993 - 2020 Caterpillar Inc. All Rights
Reserved. Private Network For SIS Licensees.
Tue Feb 4 122023 UTC0800 2020
18
Shutdown SIS
Previous Screen
Product MOTOR GRADER Model 140G MOTOR GRADER
81V Configuration 140G MOTOR GRADER
81V00382-01030 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 12G, 130G 140G MOTOR
GRADER POWER TRAIN Media Number
-SENR7186-01 Publication Date -01/11/1989
Date Updated -24/02/2006
SENR71860009
Relief Control Valve SMCS - 3182-11
3182-12 Remove Relief Control Valve
1. Put identification on oil lines (2) as to
their location on the relief control valve.
Remove oil lines (2) from the valve. 2. Remove
bolts (1) that hold the valve to the
transmission. Remove relief control valve (3).
Install Relief Control Valve
1. Put relief control valve (1) in position on
the transmission. Install the bolts that hold the
valve to the transmission.
19
2. Connect the two oil lines to their correct
locations on the relief control valve.
Copyright 1993 - 2020 Caterpillar Inc. All Rights
Reserved. Private Network For SIS Licensees.
Tue Feb 4 122119 UTC0800 2020
20
Shutdown SIS
Previous Screen
Product MOTOR GRADER Model 140G MOTOR GRADER
81V Configuration 140G MOTOR GRADER
81V00382-01030 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 12G, 130G 140G MOTOR
GRADER POWER TRAIN Media Number
-SENR7186-01 Publication Date -01/11/1989
Date Updated -24/02/2006
SENR71860010
Transmission Oil Filter Base SMCS - 3164-15
3164-16 Disassemble Transmission Oil Filter
Base start by a) remove transmission oil filter
base

1. Remove large O-ring seal (1) from the inside of
   the filter base.
2. Remove small O-ring seals (2) and (3) from the
   filter base.

1. Remove plug (6). Remove the O-ring seal from the
   plug.
2. Remove valve (5). Remove spring (4).

21
Assemble Transmission Oil Filter Base

• Install spring (3) in the oil filter base.
• Put valve (2) in position in the base and over
  the spring.
• Install the O-ring seal on plug (1). Install the
  plug in the base.
• Install O-ring seal (4) in the oil filter base.
• Install the two small O-ring seals in the ports
  for inlet and outlet oil for the base. end by
• a) install transmission oil filter base

22
Suggest If the above button click is invalid.
Please download this document first, and then
click the above link to download the complete
manual. Thank you so much for reading
23
Copyright 1993 - 2020 Caterpillar Inc. All Rights
Reserved. Private Network For SIS Licensees.
Tue Feb 4 122215 UTC0800 2020
24
https//www.ebooklibonline.com Hello dear
friend! Thank you very much for reading. Enter
the link into your browser. The full manual is
available for immediate download. https//www.ebo
oklibonline.com