926M, 930M and 938M Wheel Loaders Power Train Caterpillar

Transmission - Disassemble

Usage:

930M HEY

Disassembly Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	1U-9200	Lever Puller Hoist Gp	1
A	439-3940	Link Bracket	3
B	417-1324	Jack Stand	3
C	439-3941	Link Bracket	2
D	6V-3009	Crossbar	1
	6V-4832	Forcing Bolt	1
	8H-0663	Bearing Puller Gp	1
	126-7181	Sliding Plate	4
	126-7177	Puller Leg	2
	1P-0510	Driver Gp	1
E	1P-0520	Driver Gp	1
F	4C-3652	Compressor Assembly	1

Start By:

Remove the transmission.

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Illustration 1	g02798341

Mark the clip locations and connections. Remove harness assembly (1).
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Illustration 2 g02798420
Remove valve assembly (2).
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Illustration 3 g02798422
Remove gasket (3) from valve assembly (2). Remove O-ring seals (4).
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Illustration 4 g02798427
Remove nut (5) and remove coil (6).
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Illustration 5 g02798429
Remove valve (7).
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Illustration 6 g02798437
Remove O-ring seals (8) from valve (7).
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Illustration 7 g02798442
Remove temperature sensor (9) from valve assembly (2).
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Illustration 8 g02798445
Remove O-ring seal (10) from temperature sensor (9).
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Illustration 9 g02798448
Remove relief valve (11) from valve assembly (2).
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Illustration 10 g02798449
Remove backup rings (12) and O-ring seal (14) from relief valve (11). Remove backup rings (13) and O-ring seal (15). Remove O-ring seal (16).
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Illustration 11 g02798452
Remove fitting (17) and the O-ring seal from valve assembly (2). Remove the caps, fittings (18), and the O-ring seals. Remove the cap, fitting (19), and the O-ring seal.
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Illustration 12 g02798457
Remove bolt (20) and yoke (21).
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Illustration 13 g02798458
Remove spacer (22).
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Illustration 14 g02798461
Remove O-ring seal (23) from yoke (21).
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Illustration 15 g02798465
Attach Tooling (A) and a suitable lifting device to transmission (24). The weight of transmission (24) is approximately 122 kg (270 lb). Use Tooling (A) and the suitable lifting device in order to position transmission (24) onto Tooling (B) as shown on Illustration 15.
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Illustration 16 g02798473
Remove bolt (25) and remove yoke (26). Remove bolts (27).
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Illustration 17 g02798479
Remove O-ring seal (28) from yoke (26).
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Illustration 18 g02798481
Attach Tooling (C) and a suitable lifting device to housing (29). The weight of housing (29) is approximately 45 kg (100 lb). Use Tooling (C) and the suitable lifting device in order to remove housing (29).
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Illustration 19 g02798485
Remove bearing cups (30) from housing (29).
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Illustration 20 g02798487
Remove shims (31).
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Illustration 21 g02798492
Remove bearing cup (32).
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Illustration 22 g02798494
Remove shims (33).
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Illustration 23 g02798495
Remove seal (34).
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Illustration 24 g02798498
Remove bolts (35) and tube assembly (36).
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Illustration 25 g02798499
Remove O-ring seal (37) from tube assembly (36).
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Illustration 26 g02798501
Remove drain plug (38) and the O-ring seal from housing (29).
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Illustration 27 g02798503
Remove plug (39) and the O-ring seals.
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Illustration 28 g02798506
Remove orifice (40).
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Illustration 29 g02798507
Remove plug (41) and the O-ring seal.
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Illustration 30 g02798509
Remove orifice (42).
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Illustration 31 g02798510
Remove orifice (43).
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Illustration 32 g02798511
Remove bolt (45). Remove sensor (44) and the O-ring seal.
Remove bolt (46). Remove sensor (47) and the O-ring seal.
Remove plug (48) and the O-ring seal.
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Illustration 33 g02798512
Remove shaft assembly (49).
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Illustration 34 g02798514
Use Tooling (D) in order to remove bearing cone (50) from shaft assembly (49).
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Illustration 35 g02798517
Use Tooling (D) in order to remove bearing cone (51) from shaft assembly (49).
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Illustration 36 g02798519
Remove bearing cup (52).
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Illustration 37 g02798520
Remove shaft assembly (53).
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Illustration 38 g02798521
Use Tooling (D) in order to remove bearing cone (54) from shaft assembly (53).
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Illustration 39 g02798522
Use Tooling (D) in order to remove bearing cone (55) from shaft assembly (53).
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Illustration 40 g02798523
Remove bearing cup (56).
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Illustration 41 g02798524
Remove bolts (57) and remove plate (58).
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Illustration 42 g02798526
Remove bolts (59) from plate (58). Remove seal assembly (60).
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Illustration 43 g02798527
Use Tooling (E) and a suitable press in order to remove seal (61) (not shown) from seal assembly (60).
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Illustration 44 g02798529
Remove shaft assembly (62).
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Illustration 45 g02798530
Use Tooling (D) in order to remove gear assembly (63) from shaft assembly (62).
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Illustration 46 g02798531
Remove bearing cone (64) from gear assembly (63).
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Illustration 47 g02798532
Remove thrust washer (65).
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Illustration 48 g02798533
Remove thrust bearing (66).
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Illustration 49 g02798534
Remove needle bearing (67) from shaft assembly (62).
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Illustration 50 g02798535
Remove spacer (68) and needle bearing (69) from shaft assembly (62).
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Illustration 51 g02798701
Remove thrust bearing (70).
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Illustration 52 g02798703
Remove thrust washer (71) and retaining ring (72).
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Illustration 53 g02798709
Remove end plate (73).
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Illustration 54 g02798714

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Illustration 55 g02798715

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Illustration 56 g02798976

Remove friction discs (74) and plates (75) ending with end plate (76).

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Illustration 57	g02798719

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Illustration 58	g02798724

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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.

Use Tooling (F) and a suitable press in order to compress spring (77) (not shown) in shaft assembly (62).
With spring (77) compressed, remove retaining ring (78).
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Illustration 59 g02798744
Remove washer (79) and spring (77).
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Illustration 60 g02798750
Remove sleeve (80).
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Illustration 61 g02798764
Remove piston (81).
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Illustration 62 g02798768
Remove seal rings (82) from piston (81).
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Illustration 63 g02798775
Remove seal rings (83) and (84).
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Illustration 64 g02798781
Remove bearing cone (85).
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Illustration 65 g02798793
Remove shaft assembly (86).
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Illustration 66 g02798796
Use Tooling (D) in order to remove bearing cone (87).
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Illustration 67 g02798798
Position shaft assembly (86) onto a suitable press. Use the suitable press in order to separate shaft (88) from bearing cone (89), spacer (90), and gear (91).
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Illustration 68 g02798808
Remove bearing cups (92).
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Illustration 69 g02798821
Remove O-ring seals (93).
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Illustration 70 g02798828
Remove bolt (95). Remove sensor (94) and the O-ring seal.
Remove bolt (97). Remove sensor (96) and the O-ring seal.
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Illustration 71 g02798836
Remove plugs (98) and the O-ring seals.
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Illustration 72 g02798839
Remove orifices (99) (not shown).
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Illustration 73 g02798842
Remove breather (100).
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Illustration 74 g02798845
Remove sight glass (101) and the O-ring seal.
Remove plug (102) and the O-ring seal.
Remove plate (103) and the O-ring seal.
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Illustration 75 g02798848
Remove orifice (104) (not shown).