4. MAINTENANCE 4. 7 HYDRAULIC/ HYDROSTATIC SYSTEM MAINTENANCE 1. Oil Level Check Check the oil level of the hydraulic reservoir with the machine on a level surface with the lift arms down and the attachment grounded. Shut off the engine. Open the rear door and check the oil level sight gauge (Fig. 4.7A). If oil is apparent the level is satisfactory. C644 Fig. 4.7A WARNING: Escaping hydraulic fluid under pressure can penetrate the skin causing serious injury. • DO NOT use your hand to check for leaks. Use a piece of cardboard or paper to search for leaks. • Stop engine and relieve pressure before connecting or disconnecting lines.
• Tighten all connections before starting engine or pressurizing lines. If any fluid is injected into the skin obtain medical attention immediately. WARNING 47