Case Wheel Loader 621G

Warning: Ensure to use appropriate PPE during cleaning

Are the solvents suitable for cleaning?

Work area free of dirt, oil, grease and scattered tools

Did you avoid using fuel, petroleum or solvents?

Avoided water jets or steam on sensors, connectors or other electric components

Avoided direct spray of seals and seams

Sign off on the cleaning procedure

Warning: Emissions sensors mounted in the exhaust stream are sensitive to extreme vibrations. Use of tools that generate extreme vibrations, such as impact wrenches and hammers, will result in damage to emission sensors. Avoid using these tools during any service procedure in close proximity of emission sensors.

If the use of these tools cannot be avoided, remove the sensors using extreme caution prior to performing any service procedure.

Machine parked on a level surface and bucket lowered to the ground?

Articulation lock in LOCKED position and engine stopped?

Brake pedal actuated several times to discharge the brake accumulators?

Key switch in ON position. Control switch in ON position. Control lever(s) moved back and forth at least 30 times to release any pressure from the hydraulic circuit. Key switch in OFF position?

Grill located above the cooler box just behind the cab raised? Hydraulic reservoir filler cap slowly loosened to release pressure in the reservoir?

Timed disconnect switch and the hood raise switch located in the battery box. Engine hood raised and timed disconnect switch in the OFF position?

Rubber T-handle (1) unhooked and upper panel (2) raised? Security levers are blocked?