994H Wheel Loader Engine Supplement Caterpillar


Engine, Pump Drive (Rear), and Torque Converter - Install

Usage:

994H DWC

Installation Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7574     Link Brackets     4    
B     1U-9200     Lever Puller Hoist     1    
C     132-8159     Hydraulic Torque Wrench Gp     1    
132-8177 Wrench Link     1    
133-8193 Reaction Arm     1    
D     309-2793     Load Leveler     1    



    Illustration 1g02581982



    Illustration 2g02581985



    Illustration 3g02581159

  1. Attach Tooling (D) and a suitable lifting device to engine (111). The weight of engine (111) is approximately 12700 kg (28000 lb). Install engine (111) .



    Illustration 4g02584456

  1. Install bolts (110). Tighten bolts (110) to a torque of 1600 ± 200 N·m (1180 ± 150 lb ft).



    Illustration 5g02584436

  1. Install bolts (109). Tighten bolts (109) to a torque of 1600 ± 200 N·m (1180 ± 150 lb ft).



    Illustration 6g02584298

  1. Connect harness assembly (108) .



    Illustration 7g02584416

  1. Attach Tooling (B) and a suitable lifting device to drive shaft (106). Install bolts (107). Remove Tooling (B) .



    Illustration 8g02584396

  1. Connect hose assemblies (105) and hose assemblies (104) .



    Illustration 9g02584283



    Illustration 10g02584496

  1. Connect hose assembly (103) and hose assemblies (102). Install the connecting hardware.



    Illustration 11g02584180

  1. Install bracket (101). Install tee assembly (100) .



    Illustration 12g02584140

  1. Connect hose assemblies (99) and hose assemblies (98) .



    Illustration 13g02584118

  1. Install block (97). Connect hose assemblies (96) .



    Illustration 14g01403643

  1. Install block (94). Connect hose assemblies (95).



    Illustration 15g01403930

  1. Connect hose assembly (93) .



    Illustration 16g01403640

  1. Connect hose assembly (91). Install brackets (92).



    Illustration 17g02584016

  1. Install clips (90) .



    Illustration 18g02583798

  1. Connect harness assembly (88).



    Illustration 19g01403636

  1. Connect hose (87). Tighten clamps (86).



    Illustration 20g01403635

  1. Connect hose assembly (85) and hose assembly (83). Install clips (84) .



    Illustration 21g01403634

  1. Connect hose (81). Tighten clamps (79). Connect hose assemblies (80) . Install clip (82) .



    Illustration 22g01403633

  1. Connect hose assembly (78) .



    Illustration 23g02583737

  1. Install fitting (77) .



    Illustration 24g02583717

  1. Install hose (75). Tighten clamp (74). Install clip (76) .



    Illustration 25g01403629



    Illustration 26g01403630

  1. Connect hose assembly (72) and hose assembly (73) .



    Illustration 27g01403628

  1. Connect hose assembly (69). Connect hose (71). Tighten clamp (70) .



    Illustration 28g02590578

  1. Connect hose assemblies (68) .



    Illustration 29g01403626

  1. Connect harness assembly (67). Connect hose assembly (66). Install valve (65) .



    Illustration 30g01403625

  1. Connect hose assembly (63). Install ground strap (64) .



    Illustration 31g01403621

  1. Connect hose assemblies (62).



    Illustration 32g01403624

  1. Install clips (61) .



    Illustration 33g01403620

  1. Install brackets (58). Connect tube assembly (59). Install clip (60) .



    Illustration 34g02583477

  1. Install clips (57) .



    Illustration 35g01404998

  1. Connect tube assembly (56). Install bracket (55).



    Illustration 36g01403617

  1. Connect hose assemblies (55) .



    Illustration 37g01403610

  1. Connect hose assemblies (54) .



    Illustration 38g01405367

  1. Install tube assemblies (52). Connect clip (51). Install bolts (53).



    Illustration 39g02583171

  1. Install tube assembly (50). Install clamps (49) .



    Illustration 40g02590484



    Illustration 41g02583163

  1. Tighten clamps (48). Repeat this step for the opposite end of the tube.



    Illustration 42g01403606

  1. Connect hose assemblies (47) .



    Illustration 43g02582936

  1. Connect hose assembly (46) Install clamps (45). Install the connecting hardware.



    Illustration 44g01403604

  1. Install baffle (44). Install bolts (43).



    Illustration 45g02581536



    Illustration 46g01403596



    Illustration 47g02581958

  1. Attach Tooling (A) and a suitable lifting device to the hydraulic tank group and firewall plate group (40). The weight of hydraulic tank group and firewall plate group (40) is approximately 862 kg (1900 lb). Install the hydraulic tank group and firewall plate group (40) as a unit.

  1. Install bolts (41). Repeat this step for remaining pillars.

  1. Install bolts (42). Repeat this step for opposite side of the platform.



    Illustration 48g02581504

  1. Install bracket (39). Install the bottom row of bolts (38) on the firewall.



    Illustration 49g02581500

  1. Connect bracket (37) .



    Illustration 50g01403573

  1. Position the hose assemblies through the firewall. Install clips (36) .



    Illustration 51g01403552



    Illustration 52g01403550

  1. Position hose assemblies (34) through the clips. Connect hose assemblies (34) and (35) .



    Illustration 53g01403548

  1. Install clip (33) .



    Illustration 54g02581256

  1. Connect harness assembly (32) and harness assembly (31). Install the connecting hardware.



    Illustration 55g02582656

  1. Connect hose assembly (30) .



    Illustration 56g02582899

  1. Connect hose assembly (29). Connect tube assemblies (28) .



    Illustration 57g02582857

  1. Connect grease hose assemblies (27). Connect harness assemblies (26) .



    Illustration 58g01403579



    Illustration 59g02582756

  1. Connect hose assemblies (25) .



    Illustration 60g01403537

  1. Install bracket (24). Connect hose assembly (23) .



    Illustration 61g02582498

  1. Connect hose assembly (22) .



    Illustration 62g02580519

  1. Connect tee assembly (21). Connect hose assembly (20) .



    Illustration 63g02580497



    Illustration 64g02580498

  1. Connect hose assemblies (19) .



    Illustration 65g02580416



    Illustration 66g02580458

  1. Connect harness assemblies (18). Install clips (17). Connect hose assemblies (16) .



    Illustration 67g01403247



    Illustration 68g01403246

  1. Install brackets (15) .



    Illustration 69g02580297

  1. Connect tube assembly (14). Connect hose assembly (13). Install cable straps (12) .



    Illustration 70g02580217

  1. Use Tooling (A) and a suitable lifting device to install support (9). The weight of support (9) is approximately 109 kg (240 lb).



    Illustration 71g02580258



    Illustration 72g02580278

  1. Install bolts (11). Install cable straps (10).



    Illustration 73g02580358

  1. Install clips (8) .



    Illustration 74g01403219

  1. Install ether injector assembly (6). Connect harness assemblies (7) .



    Illustration 75g01403218

  1. Install panel (5) .



    Illustration 76g02580156



    Illustration 77g01403217

  1. Use Tooling (A) and a suitable lifting device to install support (3). The weight of support (3) is approximately 109 kg (240 lb). Install bolts (4) .



    Illustration 78g01403158

  1. Install clips (2) .



    Illustration 79g01403160

  1. Install panel (1). Repeat this step for the opposite side of the machine.

  1. Fill the brake oil cooler. Refer to Operation and Maintenance Manual, "Hydraulic System Oil (Brake Cooling) - Change".

  1. Fill the engine oil. Refer to Operation and Maintenance Manual, "Engine Oil and Oil Filter - Change".

End By:

  1. Install the rear drive shaft. Disassembly and Assembly, "Drive Shaft (Rear) - Remove and Install"
  2. Install the hood. Refer to Disassembly and Assembly, "Hood - Install".
  3. Install the power train guard. Refer to Disassembly and Assembly, "Powertrain Guard - Install".
  4. Install the radiator and the guard. Refer to Disassembly and Assembly, "Radiator and Guard - Install".

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