Caterpillar Cat 637K Wheel Tractor Scraper (Prefix WTY) Service Repair Manual Instant Download

1
Product WHEEL TRACTOR-SCRAPER Model 637K WHEEL
TRACTOR-SCRAPER WTY Configuration 637K Wheel
Tractor Scraper WTY00001-UP (MACHINE)
Disassembly and Assembly 631K and 637K Wheel
Tractor Scraper Power Train Media Number
-M0067918-02 Publication Date -01/03/2018
Date Updated -03/04/2018
i04500533
Transmission, Torque Converter, Transfer Gears -
Separate - Scraper SMCS - 3003-076 Separation
Procedure Table 1
Required Tools Required Tools Required Tools Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Brackets 2
B 138-7575 Link Brackets 2
C 1U-9200 Lever Puller Hoist Gp 1
D 1U-7498 Support Stand As 2
E 5J-0490 Bolts 2

• Start By
• Remove the torque converter, the transmission,
  and the transfer gears (scraper).
• Remove the transmission oil pump (scraper).
• Remove transmission hydraulic control valve
  (scraper).
• Remove the transmission oil filter (scraper).
• Remove the relief valve (transmission
  lubrication) (scraper).

2
Illustration 1 g02476722 1. Attach Tooling (A)
and a suitable lifting device to torque converter
(2). The weight of torque converter (2) is
approximately 184 kg (405 lb). Remove bolts (1)
and torque converter (2) .

• Illustration 2 g02494221
• Position torque converter (2) onto suitable
  cribbing.
• Remove O-ring seal (3) .

3
Illustration 3 g02476723 4. Attach Tooling (A),
Tooling (B), and Tooling (C) to planetary gear
assembly and transfer gear case (4). The weight
of transmission planetary and transfer gear case
(4) is approximately 630 kg (1390 lb).
Reposition transmission planetary and transfer
gear case (4) onto Tooling (D) and suitable
cribbing.
Illustration 4
g02494577
Illustration 5
g02476724

• Remove O-ring seal (6) and bolts (5) .
• Use Tooling (E) to separate transmission
  planetary (7) from the transfer gear case. Raise
  transmission planetary (7) to install Tooling (C)
  .
• Attach Tooling (C) and a suitable lifting device
  to transmission planetary (7). The weight of
  transmission planetary (7) is approximately 315
  kg (695 lb). Remove transmission planetary
• (7) .

4
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Product WHEEL TRACTOR-SCRAPER Model 637K WHEEL
TRACTOR-SCRAPER WTY Configuration 637K Wheel
Tractor Scraper WTY00001-UP (MACHINE)
Disassembly and Assembly 631K and 637K Wheel
Tractor Scraper Power Train Media Number
-M0067918-02 Publication Date -01/03/2018
Date Updated -03/04/2018
i04500531
Transmission, Torque Converter, Transfer Gears -
Connect - Scraper SMCS - 3033-077 Connection
Procedure Table 1
Required Tools Required Tools Required Tools Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Brackets 2
B 138-7575 Link Brackets 2
C 1U-9200 Lever Puller Hoist Gp 1
D 1U-7498 Support Stand As 2
E 5J-0490 Bolts 2
6
Illustration 1
g02476724

• Illustration 2 g02494577
• Install Tooling (E) approximately 38 mm (1.5
  inch) below the housing of transmission
  planetary (7) .
• Attach Tooling (C) and a suitable lifting device
  to transmission planetary (7). The weight of
  transmission planetary (7) is approximately 315
  kg (695 lb). Position transmission planetary
• (7) in the transfer gear case.
• Remove Tooling (C) and the suitable lifting
  device.
• Use Tooling (E) to lower transmission planetary
  (7) into position. Remove Tooling (E) .
• Install bolts (5) and O-ring seal (6) .

Illustration 3
g02494221
6. Install O-ring seal (3) .
7
Illustration 4
g02476723

• Illustration 5 g02495097
• Attach Tooling (A), Tooling (B), and Tooling (C)
  to transmission planetary and transfer gear case
  (3). The weight of transmission planetary and
  transfer gear case is approximately 630 kg (1390
  lb). Reposition transmission planetary and
  transfer gear case (3) onto Tooling
• (D) and suitable cribbing.
• Attach Tooling (A) and a suitable lifting device
  to torque converter (2). The weight of torque
  converter (2) is approximately 184 kg (405 lb).
  Install torque converter (2) and bolts
• (1) .
• End By
• Install the relief valve (transmission
  lubrication) (scraper).
• Install the transmission oil filter (scraper).
• Install transmission hydraulic control valve
  (scraper).
• Install the transmission oil pump (scraper).
• Install the torque converter, the transmission,
  and the transfer gears (scraper).

8
Product WHEEL TRACTOR-SCRAPER Model 637K WHEEL
TRACTOR-SCRAPER WTY Configuration 637K Wheel
Tractor Scraper WTY00001-UP (MACHINE)
Disassembly and Assembly 631K and 637K Wheel
Tractor Scraper Power Train Media Number
-M0067918-02 Publication Date -01/03/2018
Date Updated -03/04/2018
i05774729
Power Pack - Remove and Install - Scraper SMCS -
1000-010 3003-010 Removal Procedure Table 1
Required Tools Required Tools Required Tools Required Tools
Tool Part Number Part Description Qty
A 6V-3145 Load Leveler Gp 1
B 422-2352 Support Stand As 4
C 207-1601 Rubber Lubricant 1

• Start By
• Remove the hood.
• Remove the driveshaft.
• Remove the push-pull hook.
• Drain the coolant. Refer to Operation and
  Maintenance Manual, "Cooling System Coolant
  (ELC) - Change" for the correct draining and
  filling procedures.

9
Illustration 1 g02715238 2. Remove bolt (1).
Disconnect harness assembly (2). Disconnect
harness assembly (3). Disconnect hose assembly
(4).
Illustration 2
g03663256
3. Disconnect hose assembly (5).
Illustration 3 g03663270 4. Disconnect harness
assembly (6). Remove bolts (7) and bolt (8).
10
Illustration 4 g03663257 5. Remove dipstick
(10). Disconnect harness assemblies (9) and (12).
Disconnect cable assembly (11).
Illustration 5 g03663261 6. Disconnect cable
assembly (14). Disconnect harness assemblies (15)
and (16).
Illustration 6 g03663262 7. Remove bolts (18)
and reposition baffle (17) out of the way.
11
Illustration 7 g03663263 Note Refer to Special
Instruction, REHS8231, "Removal Procedures for
Diesel Exhaust Fluid (DEF) Connectors" for the
correct removal procedure of hose assembly
(21). 8. Disconnect harness assemblies (19).
Disconnect hose assembly (21) and hoses (20) and
(22).
Illustration 8
g03663265
9. Disconnect harness assembly (23).
Illustration 9
g03663266
12
10. Disconnect harness assembly (25). Remove bolt
(24).
Illustration 10 g03663267 11. Disconnect harness
assembly (26) and remove bolts (27).
Illustration 11
g03663268
12. Remove bolts (28).
Illustration 12
g02798536
13
Illustration 13
g02715284

• Illustration 14 g02715297
• Attach Tooling (A) and a suitable lifting device
  to power pack (29). The weight of power pack
  (29) is approximately 2268 kg (5000 lb).
• Remove bolts (30) and bolts (31). Repeat for the
  other side.
• Remove power pack (29).

14

• Illustration 15 g03663269
• 16. Use Tooling (A) and a suitable lifting device
  to position power pack (29) onto Tooling (B).
• Installation Procedure
• Install power pack (29) in the reverse order of
  removal.
• a. Apply Tooling (C) to the O-ring seal for hose
  assembly (21).

15
Product WHEEL TRACTOR-SCRAPER Model 637K WHEEL
TRACTOR-SCRAPER WTY Configuration 637K Wheel
Tractor Scraper WTY00001-UP (MACHINE)
Disassembly and Assembly 631K and 637K Wheel
Tractor Scraper Power Train Media Number
-M0067918-02 Publication Date -01/03/2018
Date Updated -03/04/2018
i02176953
Torque Converter - Disassemble SMCS -
3101-015 Disassembly Procedure Table 1
Required Tools Required Tools Required Tools Required Tools
Tool Part Number Part Description Qty
A 2P-8312 Retaining Ring Pliers 1
B 1P-0510 Driver Group 1
C - Forcing Bolts 3/8 - 16 NC by 4 inch 2
Start By a. Remove the torque converter. Refer
to Disassembly and Assembly, "Torque Converter -
Remove".
16
Illustration 1 g01102574 1. Use Tooling (A) in
order to remove retaining ring (1) from carriage
support assembly (2). Remove carriage support
assembly (2) from hub (3). Use Tooling (B) and a
suitable hydraulic press in order to remove the
sleeve bearing from carriage support assembly (2).
Illustration 2 g01102576 2. Remove bolts (4)
from impeller (5). Remove bolts (6) and clamp
plate (7) from impeller hub (8).
Illustration 3 g01102575 3. Install Tooling (C)
into impeller (5). Use Tooling (C) in order to
remove impeller (5) and impeller hub (8) from
housing (9).
17
Illustration 4 g00525305 4. Remove thrust race
(10) from impeller (5). Remove impeller hub (8)
from impeller (5).
Illustration 5 g01108447 5. Remove thrust
bearing (11) and seal ring (12A) from carrier
assembly (12).
Illustration 6 g00525308 6. Remove carrier
assembly (12) and stator (13) as a unit from
housing (9).
18
Illustration 7 g01102577 7. Position carrier
assembly (12) and stator (13), as shown. Use
Tooling (A) in order to remove retaining ring
(14) from stator (13). Remove thrust race (15)
from stator (13).
Illustration 8 g01102579 8. Remove freewheel
rollers (17) and freewheel springs (16) from
freewheel cam (18). Remove stator (13) from
carrier assembly (12).
Illustration 9 g01102580 9. Use Tooling (A) in
order to remove retaining ring (19) from stator
(13). Remove side plate (20) from stator (13).
19
10. Use Tooling (B) and a suitable press in order
to remove freewheel cam (18) from stator (13).
Illustration 10 g01102581 11. Remove thrust
bearing (21) from carrier assembly (12). Remove
sleeve bearing (22) from carrier assembly (12).
Illustration 11 g00525315 12. Remove turbine
(23) and hub (3) as a unit from housing (9).
Illustration 12
g01102582
20
13. Remove thrust bearing (24) and thrust race
(25) from hub (3).
Illustration 13 g00525320 14. Position turbine
(23), as shown. Remove thrust race (26) from hub
(3). Put an alignment mark on turbine (23) and
hub (3) for installation purposes. Remove bolts
(27) from turbine (23).
Illustration 14 g00525321 15. Remove clamp ring
(28) and turbine (23) from hub (3).
Illustration 15
g00525322
21
16. Remove thrust bearing (29) and thrust race
(30) from housing (9).
Illustration 16 g00528612 17. Remove bolts (31)
and flange (32) from housing (9).
Illustration 17 g01102583 18. Remove sleeve
bearing (33) from flange (32).
22
Product WHEEL TRACTOR-SCRAPER Model 637K WHEEL
TRACTOR-SCRAPER WTY Configuration 637K Wheel
Tractor Scraper WTY00001-UP (MACHINE)
Disassembly and Assembly 631K and 637K Wheel
Tractor Scraper Power Train Media Number
-M0067918-02 Publication Date -01/03/2018
Date Updated -03/04/2018
i04351575
Torque Converter - Disassemble - Scraper SMCS -
3101-015 Disassembly Procedure Table 1
Required Tools Required Tools Required Tools Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Brackets 3
B 1P-2420 Transmission Repair Stand 1
C 1P-0520 Driver Gp 1
D 8H-0663 Bearing Puller Gp 1
E 1P-2322 Combination Puller 1
E 1P-0546 Puller Jaw 1
E 1P-0510 Driver Gp 1
F 1P-0074 Slide Hammer Puller Gp 1
Start By a. Separate Torque Converter,
Transmission, and Transfer Gear.
23
Illustration 1
g02477139

• Illustration 2 g02477145
• Attach Tooling (A) and a suitable lifting device
  to housing assembly (2) . Reposition housing
  assembly (2) onto Tooling (B). The weight of
  housing assembly (2) is approximately 73 kg (160
  lb).
• Remove bolts (1) and lift housing assembly (2)
  from torque converter assembly (3).

Illustration 3 g02477249 3. Reposition torque
converter assembly (3) on Tooling (B) as shown.
The weight of torque converter assembly (3) is
approximately 34 kg (76 lb).
24
4. Remove bolts (4).
Illustration 4 g02477847 5. Attach Tooling (A)
and a suitable lifting device to cover assembly
(5). Remove cover assembly (5) from torque
converter assembly (3).
Illustration 5
g02494878
6. Remove clutch piston (6).
Illustration 6
g02495236
25
7. Remove friction disk (7). Remove bolts (10)
and shaft retainer (8). Remove hub (9) and seal
rings.
Illustration 7
g02487237
Illustration 8 g02491136 8. Remove bolts (12).
Remove bearing retainer (11). Remove retaining
ring (13). Remove upper bearing race (16).
Remove retaining ring (14). Remove bearing (15).
Illustration 9 g02487278 9. Reposition torque
converter assembly (3) on Tooling (B) as shown.
The weight of torque converter assembly (3) is
approximately 34 kg (76 lb).
26
10. Remove bolts (17).
Illustration 10 g02494482 11. Attach Tooling (A)
to impeller wheel assembly (18). Remove impeller
wheel assembly (18). The weight of impeller
wheel assembly (18) is approximately 34 kg (76
lb).
Illustration 11 g02484296 12. Remove retaining
ring (19) from bearing (20).
Illustration 12
g02488758
27
13. Use Tooling (E) to separate shaft assembly
(21) from bearing assembly (20) and carrier
assembly (22).
Illustration 13
g02492076
Illustration 14 g02488997 14. Remove bolts (23).
Use Tooling (F) to remove stator assembly (24)
from carrier assembly (22) and impeller wheel
assembly (18).
Illustration 15
g02489038
28
Illustration 16 g02489042 15. Remove bolts (25).
Use Tooling (C) to remove carrier assembly (22)
from impeller wheel assembly (18).
Illustration 17 g02489047 16. Using Tooling (C)
and a suitable press to remove bearing (26) and
gear (27) from carrier assembly (22).
Illustration 18
g02489056
17. Remove seal ring (28).
29
Illustration 19 g02492176 18. Remove seal rings
(29). Remove retaining ring (30) from shaft
assembly (21).
Illustration 20
g02489277
Illustration 21
g02489280
19. Install Tooling (D). Note Tooling (D) must
be seated on the shoulder of turbine (31) in
order to support turbine and prevent damage.
Tooling (D) must not contact the splines on shaft
(21).
30
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20. Use a suitable press to remove shaft assembly
(21) from turbine (31). Remove bearing race (32)
and the spacer from turbine (31).
Illustration 22
g02492441

1. Position housing assembly (2) as shown.
2. Remove bolts (33) and gear (34).

Illustration 23 g02492458 23. Remove retaining
rings (35) from gear (34).
Illustration 24
g02492476
32
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friend! Thank you very much for reading. Enter
the link into your browser. The full manual is
available for immediate download. https//www.eb
ooklibonline.com