994H Wheel Loader Caterpillar

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A pressure hazard is present. Severe personal injury or death can result from removing hoses or fittings that are under pressure. Relieve the pressure in the system before you remove hoses or fittings.

Reference: Before any service work is performed on the lubrication system, refer to Special Instructions, REHS1394 or consult your Caterpillar dealer.

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Illustration 1	g02549178
994H Wheel Loader (A) A-Pin (B) B-Pin (C) C-Pin (D) D-Pin (E) E-Pin (F) F-Pin (G) G-Pin (H) Pin for upper articulation joint (J) Pin for lower articulation joint (K) K-Pin (L) Steering cylinder pins (X) Trunnions (Y) Y-Pin

1. Remove any buildup of grease. Check that each pin joint is receiving a fresh supply of grease.

   Reference: If a fresh supply of grease is not present, refer to Special Instructions, REHS1394 for system troubleshooting procedures.

2. Check for an excessive buildup of grease at each pin joint.

   Reference: For adjustment information, refer to Operation and Maintenance Manual, "Capacities (Refill), Settings of the Injectors for the Autolube System".

3. Check the grease level at the top vent port of the reservoir.

   Reference: For filling procedures, refer to Operation and Maintenance Manual, "Automatic Lubrication Grease Tank - Fill".