PRESSURE 1U9428 - Caterpillar

Illustration 2 g06311257
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Orientation of the seals
Install seal (28), seal (29), back up ring (30), seal (31), and ring (32) into the head.
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Install head (27).
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Install rings (23) and seal (26) into the piston.
Install ring (25), ring (22), seal assembly (24), ring (21), and ring (20) onto the piston.
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Install stopper (19) and piston (18). Tighten piston (18) to a torque of 980 to 1176 N.m (723 to 867 lb ft).
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Apply Tooling (B) to the threads of set screw (16). Install the balls, plunger (17), and set screw (16).
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Illustration 9 g06311474
Install lock nut (15). Tighten lock nut (15) to a torque of 1862 to 1960 N.m (1373 to 1446 lb ft).
Before installing ball (14), form a dimple on the piston rod groove using Tooling (A). Install ball (14).
Apply Tooling (B) to the threads of set screw (13). Install set screws (13). Tighten set screw (13) to a torque of 49.0 9.8 N.m (36.1 7.2 lb ft).
Stake set screw (13) in two places as shown in Illustration 9.
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Install rod assembly (12) and bolts (11). Tighten bolts (11) to a torque of 333.2 to 352.8 N.m (245.8 to 260.2 lb ft).
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Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install orifice (6), spring (7), spacer (8), O-ring seal (10), and plug (9). Tighten plug (9) to a torque of 44.1to 53.9 N m (32.5 to 39.8 lb ft).
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Illustration 13 g06319183
Orientation of seals (4)
Install sleeve bearing (5) and seals (4).
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Orientation of seals (1)
Install sleeve bearing (2) and seals (1).
Install fitting (3). Tighten fitting (3) to a torque of 9.8 19.6 N.m (86.7 173.5 lb in).End By:
Install the stick cylinder.