Caterpillar Cat 745 Articulated Truck (Prefix 3F6) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
745 Articulated Truck

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Product: ARTICULATED TRUCK
Model: 745 ARTICULATED TRUCK 3F6
Configuration: 745 Articulated Truck 3F600001-UP (MACHINE) POWERED BY C18 Engine
Disassembly and Assembly
740 GC, 740 Ejector, 745 Articulated Truck Machine System
Media Number -M0082510-04 Publication Date -01/09/2015 Date Updated -23/08/2018
i06248004
Gear Pump (Hydraulic Fan) - Assemble
SMCS - 1387-016-GT; 5073-016-HFN
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1857 Retaining Ring Pliers 1
B 1P-0510 Driver Gp 1
1. On assembly, lubricate all internal components with the lubricant that is being sealed.
Illustration 1 g00802426
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745 Articulated Truck 3F600001-UP (MACHINE) POWERED BY C18 Engine(M007...
2020/1/4
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...

2. Use tool (B) to install lip seal (21) with the lip of the seal toward flange (16). Use tool (A)
to install two retaining rings (20) into the ring grooves in flange (16). Use tool (B) to install
lip seal (19) with the lip of the seal away from flange (16).
3. Install two dowels (18) into flange (16).
4. Install seal (17) into housing (7).
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5. Align housing (7) with the dowel in flange (16) and position the housing on the flange.
6. Install pressure plate (15) into housing (7). Refer to step 8 for the installation of the seals.
7. Install idler gear (14) and gear shaft (13) into housing (7).
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8. Install seal (11) and backup seal (12) into pressure plate (10).
9. Carefully install pressure plate (10) onto housing (7). Install seal (9) and two dowels (8).
10. Align plate (6) with the two dowels in housing (7) and install four bolts (5). Tighten the
bolts to a torque of 44.5 ± 3.5 N·m (33 ± 2.5 lb ft). Install adapter (4).
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11. Install two elbows (2) and O-ring seal (1) to gear pump (3).
End By:
a. Install the gear pump (Hydraulic Fan). Refer to Disassembly and Assembly, "Gear Pump
(Hydraulic Fan)- Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Jan 4 23:01:36 UTC+0800 2020
5/5
2020/1/4

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i06282891
Piston Pump (Brake, Fan, Hoist) - Disassemble
SMCS - 5070-015
Disassembly Procedure
Table 1
Required Tools
A 1P-0510 Driver Group 1
B 8H-0663 Bearing Puller Gp 1
Start By:
a. Remove the piston pump.
1. Remove bolts (1) and valve (2).
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2. Remove gasket (3).
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
3. Remove adjustment screw (4), housing (5), O-ring seal (6), spring (7), spring (8), and
retainer (9).
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4. Remove adjustment screw (10), nut (11), housing (12), O-ring seal (13), spring (14), spring
(15), retainer (17), and screw (16).
5. Remove spool (18) and spool (19).
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6. Remove bolts (20) and pump head (21).
7. Remove O-ring seals (22), port plate (23), and bearing cup (24).
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8. Remove O-ring seal (25), spring (26), and piston (27).
9. Remove piston (28) and bearing cone (29).
10. Remove shim (30).
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11. Turn the pump housing over 180 degrees and hold the components in the pump housing.
Remove pump housing (31) from bearing cone (32), swashplate (33), and rotating group
(34).
12. Remove shaft (35) and bearing cone (32) from swashplate (33) and rotating group (34).
13. Use Tooling (A) and a suitable press in order to remove shaft (35) from bearing cone (32).
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14. Remove swashplate (33) from rotating group (34).
15. Apply identification marks to retraction plate (36), pistons (37), and barrel (38) for
assembly purposes. The pistons must be installed in the original location in retraction plate
(36) and in barrel (38). All three components must be assembled to the original alignment.
16. Remove collar bearing (39) from pins (40) and barrel (38).
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17. Place barrel (38) in a suitable press. Use Tooling (A) in order to depress the spring that is in
barrel (38). Remove retaining ring (41) that secures the spring in barrel (41). Slowly release
the pressure from the spring and remove Tooling (A) from the assembly.
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18. Remove retaining ring (41) and spring (42) from barrel (38).
19. Remove seat (43) that was under spring (42) from barrel (38). Remove pins (40) from barrel
(38).
20. Remove brass bearings (45) from pump housing (44).
21. Remove retaining ring (46) from pump housing (44).
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22. Remove lip seal (48) and bearing cup (47) from pump housing (44).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Jan 4 23:02:32 UTC+0800 2020
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2020/1/4

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i06282893
Piston Pump (Brake, Fan, Hoist) - Assemble
SMCS - 5070-016
Assembly Procedure
Table 1
Required Tools
A 1P-0510 Driver Group 1
C 8T-5096 Dial Indicator Gp 1
Note: Apply a light film of 10W oil to all components before assembly.
1. Install retaining ring (46) to pump housing (44).
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2. Use Tooling (A) in order to install lip seal (48) to the pump housing. The sealing lip of the
lip seal should face toward the bearing cup. The lip seal must seat against the retaining ring.
3. Lower the temperature of bearing cup (47). Use Tooling (A) in order to install bearing cup
(47) to pump housing (44). Install bearing cup (47) until the bearing cup seats.
4. Install brass bearings (45) into pump housing (44).
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5. Use the following steps to determine the preload on the bearings of the pump assembly.
a. Lower the temperature of shaft (35). Use a suitable press in order to install shaft (35)
into bearing cone (32). Install shaft (35) until bearing cone (32) is seated onto shaft
(35).
b. Install shaft (35) into pump housing (31).
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c. Install shim (30) and bearing cone (29) on shaft (35).
d. Lower the temperature of bearing cup (24). Use Tooling (A) and a suitable press in
order to install bearing cup (24) in pump head (21). Install the bearing cup until the
cup is seated.
e. Position pump head (21). Install bolts (20) but do not tighten bolts (20) at this time.
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Caterpillar Cat 745 Articulated Truck (Prefix 3F6) Service Repair Manual Instant Download.pdf

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