HOSE AS 1877423 - Caterpillar

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Disconnect harness assemblies (3) and (4) .
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Use Tooling (A) to remove retaining ring (5) .
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Use Tooling (A) to remove retaining ring (6). Remove retaining ring (6) and pin (7). Lower cylinder (8). Repeat on opposite side.
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Remove clamp (9). Remove bracket (10). Disconnect harness assembly (11) and remove nut (12) .
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Remove cable straps (13) and clamp (14). Remove bracket (15) and disconnect harness assembly (16) .
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Lower cab.
Using a suitable lifting device raise lift arm assembly to access bolt (18).
Use Tooling (E) to remove bolt (18) and washer (17). Repeat on opposite side.
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Use Tooling (D) to remove pin assembly (19). Remove pin assemblies (19) and (20) .
Using a suitable lifting device remove lift arm assembly (21). The weight of lift arm assembly (21) is approximate 458 kg (1010 lb).
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Remove retaining ring (22). Remove link (23). Repeat on opposite side.
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Use a suitable cribbing device to support lift arm assembly (21). Remove pins (25). Use a suitable lifting device to remove link assembly (24). The approximate weight of link assembly (24) is 55 kg (121 lb).Installation Procedure
Install lift arm assembly (21) in the reverse order of removal.