TM 5-2420-231-10
0009
SEAT CONTINUED
Table 3. Seat Controls/Indicators.
KEY
CONTROL/INDICATOR
FUNCTION
NOTE
Audible alarm will sound if seat is rotated from
driving position with direction control lever in
forward or reverse position.
Audible alarm seat test
Perform test as follows:
a. Park the BHL on level ground.
b. With operator sitting in seat, seat in driving position,
and seat belt fastened, start engine.
c.
Engage and hold service brakes.
d. Shift direction control lever to forward position and
turn seat approximately 15 to 20 degrees. Alarm
will sound. Return seat to driving position.
e. Shift direction control lever to reverse position and
turn seat approximately 15 to 20 degrees. Alarm
will sound. Backup alarm will also sound.
1
Swivel control lever
Lift lever to rotate from normal driving position to backhoe
operation position or from backhoe operation position to
normal driving position; release lever to lock seat into
position.
2
Forward/rearward control lever
Lift lever to move seat forward or rearward; release lever
to lock seat into position.
3
Backrest tilt adjustment control lever
Located on left side of seat. While sitting on seat, raise
lever and tilt seat backrest until comfortable; release lever
to lock backrest into position.
4
Lumbar adjustment control wheel
Located on left rear of seat. Turn wheel down or CW to
increase lumbar support; turn wheel up or CCW to
decrease lumbar support.
5
Weight adjustment control knob
Use handcrank to turn knob CW to increase seat
firmness; use handcrank to turn knob CCW to decrease
seat firmness.
6
Armrest adjustment control knob
Turn knob (on each side of seat) CW to raise armrest; turn
knob CCW to lower armrest. Armrests may be folded up
completely to give operator more arm room.
