Service - 134
JT520 Operator’s
Manual
1000 Hour
CMW
1000 Hour
Drilling Unit
Change Rotation Gearbox Oil
Drain oil at gearbox oil drain (3) every 1000 hours.
Replace drain plug. Add MPL at fill plug (1) until oil
is visible at plug (2). Replace fill plug.
Change Hydraulic Fluid and Filter
Change hydraulic fluid and filter every 1000 hours.
Drain hydraulic fluid (3), change filter (4), add THF
at hydraulic fluid fill (1) and check level at sight
glass (2).
Location
Task
Notes
DRILLING
UNIT
Change rotation gearbox oil
MPL
Change hydraulic fluid and filter
THF
IMPORTANT:
Drill frame must be level for
accurate reading.
Summary of Contents for JT520
Page 1: ...JT520 Issue 1 1 Operator s Manual CMW 053 1219...
Page 59: ...Prepare 58 JT520 Operator s Manual Check Supplies and Prepare Equipment CMW...
Page 63: ...Drive 62 JT520 Operator s Manual Shut Down Unit CMW...
Page 71: ...Transport 70 JT520 Operator s Manual Tow CMW...
Page 113: ...Systems and Equipment 112 JT520 Operator s Manual Drill Pipe CMW...
Page 117: ...Complete the Job 116 JT520 Operator s Manual Stow Tools CMW...
Page 141: ...Service 140 JT520 Operator s Manual As Needed CMW...
Page 145: ...Specifications 144 JT520 Operator s Manual CMW...
Page 148: ......
Page 149: ......
Page 150: ...JT520 Operator s Manual Service Record 149 CMW Service Record Service Performed Date Hours...
Page 151: ...CMW Service Record 150 JT520 Operator s Manual Service Performed Date Hours...