Filter
Top Products
• Replace hydraulic tank breather filter • Check engine valve clearance
• Replace hydraulic oil return filters
• Check swing bearing mounting cap screws (torque if required)
• Lubricate rotary manifold
• Take engine oil sample
• Replace engine air filters
• Drain and refill swing gear case oil
• Check fire extinguisher gauge (inside cab-left side)—if equipped
• Check coolant
• Lubricate swing gear case
• Replace engine crankshaft dampener
Every 2000 Hours
Every 4000 Hours
• Drain and refill hydraulic oil • Clean case drain return screen
• Take engine coolant sample
• Replace pilot filter
• Check/change cab recirculation air filter
• Add coolant extender as indicated by COOLGARD™ II test
strips
Every 100 Hours
Every 1000 Hours
Initial Service - 250 Hours
1
• Drain and refill engine oil and replace filter
• Drain and refill engine oil and replace filter
• Drain and refill swing gear case oil
• Check windshield washer fluid level
Every 6000 Hours
• Drain, flush, and refill cooling system
• Check and clean radiator and oil cooler fins
Every 250 Hours
• Take diesel fuel sample
• Lubricate swing bearing and pinion • Check swing gear case oil level
• Check hydraulic oil level • Lubricate stabilizer and stabilizer cylinder pins
As Required
• Check/change fresh air filter • Check/clean engine air filter and dust valve
• Lubricate boom (hoist), stick (jib) and cylinder pivots • Check engine oil level
• Lubricate grapple rotator and pins
• Check battery electrolyte level
• Check engine fan belt
335D and 437D
• Check and drain fuel/water separator
Every 10 Hours or Daily
• Check engine coolant level
• Replace fuel filters
Every 500 Hours
• Take hydraulic oil sample
• Take swing gear case oil sample
T247283 27APR11
T247293-63