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VALVE-CHECK 4Z8556 - Caterpillar



4Z8556 VALVE-CHECK Caterpillar parts VALVE
Rating:
21
Alternative (cross code) number:
CA4Z8556
4Z-8556
4Z8556
Caterpillar 4Z8556 VALVE-CHECK
Weight: 0.05 pounds 0 kg.

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Illustration 35 g03868950
Illustration 36 g03859749
Cage (44)
Install cage (44) in the case without the shims or the seals. There will be a gap between cage (44) and the case.
Install three Bolts and washers indicated by (X). Tighten each Bolt (X) to 90 20 degrees. Then tighten three Bolts (X) to a torque of 50 10 N m (37 7 lb ft). Loosen three Bolts (X), but do not remove cage (44) from the housing.
Maintain a gap between cage (44) and the case at all the bolt locations while you run down Bolts (X) by hand until Bolts (X) touch the washers.
Tighten Bolts (X) to a torque of 12 3 N m (106 27 lb in). Then, rotate the gear three revolutions. Repeat this Step a maximum of three times, or until Bolts (X) no longer move when tightened to a torque of 12 3 N m (106 27 lb in).
One Bolt (X) at a time, carefully loosen, and retighten each Bolt (X) to finger tight (approximately 1.5 0.5 N m (13.30 4.40 lb in).)
Measure the gap between cage (44) and the case at the two locations indicated by (Y). Install shims as required to obtain a shim thickness of 0.050 0.025 mm (0.0020 0.0010 inch) larger than the average of the two measurements.
Remove Bolts (X), the washers, and cage (44) from the case.
Illustration 37 g03846519Note: Do not remove carrier (49). Carrier (49) is shown only for reference. Carrier (49) is not serviceable.
Install O-ring seals (51) on cage (44). Install plug (47) in carrier (49). Install seal ring (48) on carrier (49).
Install shims (46) and bearing cup (50).
Illustration 38 g03846518
Install all bolts (46) and the washers that secure cage (44). Tighten all bolts (45) to a torque of 100 20 N m (74 15 lb ft).
Illustration 39 g03843858
Perform the following procedure for bearing setting:Note: All parts must be at room temperature.
Illustration 40 g03861167
Measure Thickness (A) of retainer plate (22a) . Install retainer plate (22a) without shims (23).
Install three of bolts (22) evenly spaced and tighten three bolts (22) to a torque of 12 3 N m (106 27 lb in).
One bolt (22) at a time, carefully loosen bolts (22) and then retighten each of bolts (22) to finger tight: Approximately 1.5 0.5 N m (13 4 lb in).
Measure Distance (B) from the end face of retainer plate (22a) to the end face of the clutch housing .
Calculate Gap (C) with the formula C=B-A.
Install shims (23) as required to obtain a shim thickness of 0.08 0.05 mm (0.003 0.002 inch) smaller than Gap (C).
Remove bolts (22) and retainer plate (22a).
Install shims (23), retainer plate (22a), and all bolts (22).
Use a crossing pattern to tighten all bolts (22) to a torque of 28 7 N m (248 62 lb in).
Illustration 41 g03842515
(12) ManifoldNote: Carrier (20) is shown only for reference. Do not remove carrier (20) from manifold (12). Carrier (20) is not serviceable.
Install seal rings (21) on carrier


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