Morbark M20R - Page 43

03/15 • 43
ROUTINE MAINTENANCE SCHEDULE
Please note that the following maintenance intervals apply for normal operating conditions only. Intervals are hours of operations
based on 8 hours per day, 5 days per week. If your operating conditions are different, adjust the specied intervals accordingly
start up 8 hrs 40 hrs 160 hrs 1000 hrs
CHIPPER PROCEDURES X = ONE SHOT OF GREASE
Complete machine
visual inspection (condition, leaks, and cleanliness)
X X
Drum & accelerator bearings clean and repack
1)
X
check clearance when repacking
Drum & accelerator bearing
grease zerks use same grease used in the drum bearings
1,2)
Drum & counter knives inspect X
sharpen or replace when chip quality deteriorates
Drum knife bolts inspect when checking drum knives X
replace when worn or damaged
3,5)
Drum knife holders visually inspect when checking drum knives X
replace when worn or damaged
Drum knife holder bolts visually inspect when checking drum knives X X
replace when changing holders
4,5)
Drum knife clearance adjust when changing drum knives X
Drum anvil inspect when checking drum knives X
replace when worn or damaged
Drum drive belts inspect and replace when worn
5)
X X
tighten to proper tension
5)
Drum pocket welds
Check weld around drum pockets for wear.
6)
. X
1) Use only EP 2 rated grease.
2) Only grease zerk above aluminum grease seals need to be greased.
3) Apply a coat of anti seize lubricant to each bolt before tightening. Run a tap through threads if necessary.
4) Apply a coat of Loc-Tite 242 (blue) to each bolt before tightening. Run a tap through threads if necessary.
5) During rst 24 hrs check all belts and bolts frequently, after rst day check every 8 hours. After rst week follow above procedures.
6) When welds are worn down, they must to be V-Ground and rewelded, failure to do so will void warranty.