LeeBoy 685D - 100-Hour or Monthly Routine Maintenance; 250-Hour or Quarterly Routine Maintenance; 500-Hour or Semi-Annual Routine Maintenance; 1000-Hour or Annual Routine Maintenance

100-Hour or Monthly Routine
Maintenance
1. Perform previous maintenance procedures.
2. Inspect air lters and intake hoses/clamps. Clean or
replace if needed.
3. Check breathers. Replace if needed. (Pages 5-8
and 5-9)
4. Check various axle oil levels. Add more oil if
needed. (Pages 5-8 and 5-9)
5. Lubricate articulate joint and chain box pivots.
(Pages 5-6 and 5-7)
6. Lubricate king pin bearings. (Pages 5-6 and 5-7)
7. Perform any other engine preventative maintenance
as described in the Engine Operator’s Manual.
250-Hour or Quarterly Routine
Maintenance
1. Perform previous maintenance procedures.
2. Change engine oil and replace oil lter. (Page 5-13)
3. Check engine drive belt. Adjust or replace if
needed. (Page 5-14)
4. Check drive axle, gear box and planetary hub oil
levels. Add more gear oil if needed. (Pages 5-8 -
5-10)
5. Perform any other engine preventative maintenance
as described in the Engine Operator’s Manual.
500-Hour or Semi-Annual
Routine Maintenance
1. Perform previous maintenance procedures.
2. Inspect engine drive belt tensioner, idler and drive
pulleys for dirt, wear and cracks. (Page 5-14)
3. Check and adjust toe-in if needed. (Page 5-12)
4. Change hydraulic oil, and replace charge and return
lters.
5. Replace fuel lter. (Page 5-20)
6. Service battery. (Page 5-21)
7. Adjust park brake. (Page 5-12)
8. Perform any other engine preventative maintenance
as described in the Engine Operator’s Manual.
1000-Hour or Annual Routine
Maintenance
1. Perform previous maintenance procedures.
2. Clean, pack and adjust front wheel bearings. (Page
5-30)
3. Drain, ush and ll axle, gearbox and planetary hub
oil. (Pages 5-8 and 5-10)
4. Perform the 1000-hour preventative maintenance as
described in the Engine Operator’s Manual.
2000-Hour or Every Two Years
Maintenance
1. Clean the Diesel Exhaust Fluid (DEF) tank lter.
Replace if needed. (Page 5-18)
2. Drain, ush and ll hydraulic tank. Clean hydraulic
tank strainers. (Page 5-26)
3. Drain, ush and ll radiator coolant. (Page 5-15)
4. Perform any other engine preventative maintenance
as described in the Engine Operator’s Manual.
3000-Hour or Every Three Years
Maintenance
1. Inspect the DEF Dosing Unit Filter. Clean or replace
if needed. (Page 5-19)
2. Perform any other engine preventative maintenance
as described in the Engine Operator’s Manual.
5
Maintenance
LeeBoy 685D Motor Grader 5-5