Caterpillar Compact Track Loader T550

Spark Arrester - Empty spark chamber

Battery - Check cables, connections, and electrolyte level; add distilled water as needed

Engine Oil and Filter - Perform every 100 hours when operating under severe conditions. Replace oil and filter.

Operate the engine until coolant reaches normal operating temperature. Stop the engine.

The oil drain hose is located behind a cover (Item 1) under the rear of the loader (Inset) [Figure 10-110-3]. Loosen one cover mounting bolt and remove the other bolt (Item 2) [Figure 10-110-3] to allow the cover to swing open.

Remove the oil drain cap (Item 1) [Figure 10-110-4] from the oil drain hose and drain the oil into a container.

Recycle or dispose of used oil in an environmentally safe manner.

Install and tighten the oil drain cap [Figure 10-110-4].

Install the cover and the cover mounting bolts [Figure 10- 110-3]. Tighten both bolts.

Hydraulic Hoses and Tubelines - Check for damage and leaks

Parking Brake, Foot Pedals, Hand Controls and Steering Levers, or Joysticks - Check for correct operation

Track Drive Sprocket Nuts - Check for loose sprocket nuts and tighten to correct torque

Track Tension - Check tension and adjust as needed

Engine / Hydrostatic Drive Belt - Perform at first 50 hours, then as scheduled. Check for wear or damage

Engine Oil and Filter - Perform at first 50 hours, then as scheduled. Replace oil and filter

Sign off on the 50 Hourly Compact Track Loader Maintenance

Park the loader on a level surface, lower the lift arms, and put the attachment flat on the ground or tilt the Bob-Tach fully back if no attachment is installed.

Check the fluid level in the sight gauge

Open the rear door and remove the rear grille.

Add fluid as needed to bring the level within the operating range in the sight gauge

Rear grille installed and rear door closed?

Sign off on the daily fluid check

Engine / Hydrostatic Drive Belt - Check for wear or damage

Engine / Hydrostatic Drive Belt in good condition?

Drive Belts (Alternator, air conditioning, water pump) - Check condition

Bobcat Interlock Control System (BICS™) - Check the function of the lift arm bypass control

Bobcat Interlock Control System functioning properly?

Engine Oil and Filter - Replace oil and filter

Replace the air filters only when necessary. The service indicator (Item 1) will FLASH. Press the Information button (Item 3) until the display screen shows the service codes. Service code [M0117] (Air Filter Plugged) will show in the display screen (Item 2) [Figure 10-80-1] when air filter replacement is necessary.

Replace the inner filter every third time the outer filter is replaced or as indicated.

Stop the engine and open the rear door.

Open the latches (Item 1) and remove the cover (Item 2) [Figure 10-80-2].

Remove the outer filter (Item 1) [Figure 10-80-3] and discard.

NOTE: Make sure the filter housing is free of dirt and debris. Verify that sealing surfaces are clean.

Install new outer filter. Push in until the filter contacts the base of the housing. Install the cover and secure the latches [Figure 10-80-2].