TM5-3820-256-10
3-16.
Subdrive. The subdrive assembly transmits power from the truck to other rig components. Troubleshooting
procedures for subdrive malfunctions are listed in the tables for the components that receive power through the subdrive.
3-17.
Chain Feed Drive. See malfunction 3 of table 3-1.
3-18.
Drillers Platform. The driller's platforms are not subject to operating malfunctions.
3-19.
Drill Frame. Drill frame malfunctions are beyond the troubleshooting capabilities of the operator.
3-20.
Drive Shafts and U-joints. Drive shafts and U-joint malfunctions are beyond the troubleshooting capabilities of
the operator.
3-54