SERVICE AR 5330237 - Caterpillar

Disconnect tube assemblies (33), (34), and (35). Disconnect hose assembly (36).
Illustration 15 g01284050
Disconnect hose assembly (37). Disconnect tube assemblies (38), (39), and (40).
Illustration 16 g01284051
Disconnect hose assemblies (41) and (42). Disconnect fitting (43).
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Disconnect hose assemblies (44), (45), (46), and (47).
Illustration 18 g01284054
Disconnect hose assemblies (48) and (49).
Illustration 19 g01284055
Disconnect hose assemblies (50) from the bottom of the main control valve. There are a total of twelve hose assemblies that need to be disconnected.
Illustration 20 g01284056
Remove bolts (51) and clamp (52).
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Remove bolts (53) and clamp (54). Position tube assembly (33) out of the way. Tube assembly (33) was previously disconnected.
Illustration 22 g01284060
Disconnect hose assemblies (55) and (56) from the back of the main control valve.
Illustration 23 g01284061
Disconnect hose assemblies (57) and (58).
Illustration 24 g01284062
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Illustration 26 g01284115
Loosen fitting (59). Rotate fitting (59). Loosen bolts (60) and remove bolts from the main control valve. Separate check valve (61) from the main control valve. Note: Check valve (61) will remain with the machine when the main control valve is removed.
Illustration 27 g01284117
Illustration 28 g01284118
Illustration 29 g01284119
Attach Tooling (A) and a suitable lifting device to main control valve (62). The weight of main control valve (62) is approximately 250 kg (550 lb). Remove bolts (63) and main control valve (62).