VALVE GP-CONTROL 3727466 - Caterpillar

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When the pinion shaft is too close to the bevel gear, short heel contact will result. The pinion teeth will be in contact with the heel ends of the convex gear faces. The pinion teeth will also be in contact with toe ends of the concave gear faces. Add shims between the pinion housing and the differential in order to correct this problem.Note: Several adjustments of the pinion and bevel gear may be needed in order to attain the correct gear clearance or backlash. The gear clearance or backlash should be in correct adjustment before tooth contact is checked.
Remove the Prussian blue, red lead or paint from the bevel gear teeth.
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Install two locks (36) and two bolts (35) onto both caps (37) .
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Remove the guide bolts from differential (1) . Install the O-ring seal onto differential (1) . Use Tooling (B) and a hoist in order to position housing (7) onto differential (1) . Install twelve bolts (8) . Tighten the bolts to a torque of 270 25 N m (200 18 lb ft).
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Position yoke (3) onto differential (1) . Install bolt (2) and the washer.
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Install seal (34) and seal (33) onto piston (29) .
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Install piston (29) into cylinder (32) .
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Position twelve springs (31) onto piston (29) .
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Install two dowel pins (30) into housing (28) .
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Position housing (28) onto piston (20) and install twelve bolts (27) .
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Install washer (26) and clutch jaw (25) into differential lock (20) .
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Install washer (24) and spacer (23) into differential lock (20) .
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Use Tooling (E) and install retaining ring (22) in differential lock (20) .
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Use two persons to install differential lock (20) onto differential assembly (21) and install four bolts (19) . The differential lock weighs approximately 41 kg (90 lb).
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Install hose assembly (17) onto carrier assembly (18) .End By: Install the differential. Refer to Disassembly and Assembly, "Differential and Bevel Gear - Install". The information is in this manual.