40-6 500 Service Hours or Yearly
D60x90 Navigator HDD Maintenance
H
YDRAULIC
F
LUID
F
ILTERS
- R
EPLACE
Refer to “Hydraulic Fluid Filters - Initial Replacement,”
Look for cracks or pitting in filter head. Replace filter head as needed. Refer to “Hydraulic Fluid Flow Direction,”
D
RILLING
F
LUID
P
UMP
C
RANKCASE
- I
NITIAL
O
IL
C
HANGE
Change oil after the first 500 hours of use and every 1000 hours thereafter. Refer to “Drilling Fluid Pump
Crankcase Oil - Change,”
Summary of Contents for D60x90 Navigator
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