MAINTENANCE
M-1727 2-4-13-2
GENERAL INFORMATION
Your McMillen earth drill was designed to be virtually maintenance free. Very little effort
is needed to keep it in top working condition. It is however, important to follow these proce-
dures to get full performance and longevity out of the unit.
LUBRICATION
Change planetary gear reduction oil with API-GL-5, 80W or 90W lubricant after the first
50 hours of operation and then every 1000 hours or 12 months, whichever comes first.
Procedure
Daily
After First
50 Hours
1000 Hours or 12
Months
Check Hydraulic Oil for Contamination
a
Inspect Hydraulic Hoses for damage, leak-
ing and/or signs of excessive heat. Replace
if necessary.
a
Check Auger Point and Teeth for excessive
wear or loose fit. Replace if necessary.
a
Check Drive Unit output shaft for excessive
wear, damage or leakage. Replace if neces-
sary.
a
Check all bolts and pivot pins for damage,
breaks or wear. Replace if necessary.
a
Check all Accessories (Extensions, Collars)
a
Change Planetary Oil
a
a
CAUTION! EXCESSIVE VENTING OF LUBRICANT FROM PLANETARY MAY INDICATE
THAT THE MOTOR SHAFT SEAL IS LEAKING. UNIT SHOULD BE REPAIRED
IMMEDIATELY.
PLANETARY SHAFT SEAL REPLACEMENT IS THE ONLY PLANETARY REPAIR THAT
CAN BE MADE WHILE THE UNIT IS UNDER WARRANTY. (SEE PARTS PAGES FOR
PLANETARY SEAL NUMBER.)
MOTOR SHAFT SEAL REPLACEMENT IS THE ONLY HYDRAULIC MOTOR REPAIR THAT
CAN BE MADE WHILE THE UNIT IS UNDER WARRANTY. (SEE PARTS PAGES FOR MO-
TOR SEAL NUMBER.)
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