TM 5-3820-245-14&P
refer to "TROUBLESHOOTING" instructions to be found elsewhere in this manual.
Generally, when overheating does occur, it is due to rapid reversals in the high gear ratios. Shifting to a
lower gear will help eliminate overheating due to this cause.
NEVER SUSPEND A POLE OR HEAVY OBJECT WITH THE
WARNING
WINCH AND THEN MOVE THE TRUCK. ALWAYS KEEP THE
BOOM VERTICAL AND THE AUGER ON THE GROUND.
3-4
WINCH OPERATIONS
A.
When setting and pulling poles or using the winch for any type of heavy work, position the Kelly bar vertical,
place the auger with bit on the ground and apply some down pressure. Jacks should be used, if so
equipped.
B.
When using the winch to drag an object to the digger from a distance, use the snatch block provided at the
top of the final drive. The polesetter boom should never be used as a crane.
3-5
DIGGING TECHNIQUE
A.
Engine RPM. During all operations, except actual digging, the engine should be run as low RPM as
possible. Raising the feed ram, leveling, and the smaller accessories should all be operated as close to
engine idle as possible. Only the winch should have the full power of the engine available.
B.
Gear Selection. The selection of the proper gear is very important to the digging operation and life of the
digger. The gears should be selected with regard to the size of the auger and digging conditions. Larger
diameter augers and hard digging conditions require slower operating speeds. Therefore, you should start
in the highest gear usable without stalling the torque converter or lugging the engine.
LOW GEAR OR REVERSE SHOULD NEVER BE USED WITH
CAUTION
ENGINE AT FULL POWER. IF MORE AUGER SPEED IS
REQUIRED, USE 2ND GEAR AND CONTROL THE SPEED
WITH THE ENGINE RPM.
3-6
DIGGING
After the controls have been learned and you are thoroughly familiar with the digger, proceed as follows:
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