TM 5-3810-302-10
Crabbing.
Crabbing is also accomplished by using both the steering wheel (8) and the
REAR STEER control lever (9), Depending upon which direction the operator
wishes to travel (crab), the steering wheel is turned in the opposite direction
in which rear steer control is positioned, This method permits driving the
machine forward or in reverse at any angle from straight ahead in a crabbing
manner,
TRAVELING - FORWARD.
WARNING
ENSURE THAT TURNTABLE LOCK PIN IS
ENGAGED BEFORE TRAVELING EXTEND-
ED DISTANCES. ENSURE THAT LOCK PIN
ON ANTITWO-BLOCK SWITCH IS lN -
STALLED.
After engine has warmed up, place 2/4 WHEELDRlVE Iever (17, figure
1.
4-1 ) to
either 2-WHEEL or
4-WHEEL.
Shift the direction control lever (14) from N (neutral) to F (forward).
2.
Position the shift control lever (13) to 1 (first gear) and release the
3.
parking brake.
4.
Depress the foot throttle pedal (19) until maximum gear speed of 5.4
mph (8.7 km/h) is attained.
Move the shift control Iever (13) to 2 (second gear); accelerate until the
5.
maximum gear speed of 10,5 mph (16.9 km/h) is attained.
Move the shift control lever (13) to 3 (third gear),
6.
CAUTION
DO NOT DOWNSHIFT TO A LOWER GEAR
IF CRANE IS TRAVELING AT A GREATER
ROAD SPEED THAN THE MAXIMUM
SPEED OF THE LOWER GEAR.