0-25 PERIODIC REPLACEMENT OF PARTS AND LUBRICANTS G : Replacement Replacement cycle Item Every month Every 3 months Every 6 months Every 12 months Every 170 hours Every 500 hours Every 1000 hours Every 2000 hours Drive unit gear oil G ← Hydraulic oil G ← Hydraulic oil filter G New vehicle initial replacement G ← Rear wheel bearing grease G ← Power steering hose GEvery 2 years Power steering rubber parts GEvery 2 years Hydraulic hose GEvery 2 years Lift chain GEvery 3 years