John Deere 437D, 335D uptime maintenance planner

335D and 437D

	As Required
• Check/change fresh air filter		• Check/clean engine air filter and dust valve
• Check/change cab recirculation air filter		• Add coolant extender as indicated by COOLGARD™ II test
		strips
Every 10 Hours or Daily
• Lubricate grapple rotator and pins		• Check engine coolant level
• Lubricate boom (hoist), stick (jib) and cylinder pivots		• Check engine oil level
• Check windshield washer fluid level		• Check and drain fuel/water separator
• Lubricate swing bearing and pinion		• Check swing gear case oil level
• Check hydraulic oil level		• Lubricate stabilizer and stabilizer cylinder pins
• Check and clean radiator and oil cooler fins		• Check fire extinguisher gauge (inside cab-left side)—if equipped
	Every 100 Hours
• Lubricate rotary manifold
Initial Service - 250 Hours1
• Drain and refill engine oil and replace filter		• Drain and refill swing gear case oil
	Every 250 Hours
• Take engine oil sample
	Every 500 Hours
• Replace fuel filters		• Take hydraulic oil sample
• Check engine fan belt		• Take swing gear case oil sample
• Drain and refill engine oil and replace filter		• Take diesel fuel sample
• Check battery electrolyte level		• Take engine coolant sample
• Check swing bearing mounting cap screws (torque if required)
	Every 1000 Hours
• Replace engine air filters		• Drain and refill swing gear case oil
• Check coolant		• Lubricate swing gear case
• Replace pilot filter		• Replace hydraulic oil return filters
	Every 2000 Hours
• Drain and refill hydraulic oil		• Clean case drain return screen
• Replace hydraulic tank breather filter		• Check engine valve clearance
	Every 4000 Hours

• Replace engine crankshaft dampener

Every 6000 Hours

• Drain, flush, and refill cooling system

T247283 27APR11

T247293-63