Maintenance
Up/Down System
Maintenance
HD-R04doc041910
5-23
5
See Figure 5-13.
3.
Check the up/down gearbox oil level. Add a synthetic gear oil such as Mobil SHC 634 as
needed.
G18/G25/G28 models prior to LT30HD Rev. J9.00 and LT40HD Rev. K1.00:
Drain and
refill the gearbox
with 8 - 11 ounces of oil after the first 250 hours of sawmill operation.
Repeat every 5000 hours or every 2 years, whichever comes first.
All Models after LT30HD Rev. J9.00 and LT40HD Rev. K1.00, All
D33/D34/D35/D36/G36 models:
Drain and refill the gearbox
with 24 ounces of oil after
every 5000 hours of sawmill operation or every 2 years, whichever comes first.
Wood-Mizer offers replacement gear oil in 8 ounce bottles.
FIG. 5-13
Loosen mounting
bolts
Pull motor up
to tension
belt
3H0290
