TM-9-2320-279-10-2
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
OPERATOR’S MANUAL VOLUME 2 OF 2
DECEMBER 1998
CHANGE 3
TM-9-2320-279-10-2 - Page 91 of 819
TM 9-2320-279-10-2
M984E1 General Operating Procedures (Cont)
2-58. DRIVE M984E1 (CONT).
(3)
(4)
(5)
(6)
(7)
2-56
CAUTION
Do not move TRANSFER CASE shift lever when vehicle
is moving or when transmission is in gear. Severe
damage to drive line will result.
Set TRANSFER CASE shift lever (4) to L (LO).
Push in button (5) and move transmission range selector (6) to 2 or 1,
depending on ground condition (para 2-11e).
Push in PARKING BRAKE control (7).
CAUTION
Maximum no-load governed engine speed is approximately
2250 rpm. Never allow engine speed to go over this
figure. Under full load, governed speed is
approximately 2100 rpm. If engine is allowed to go over
governed speeds, serious engine damage can result.
Slowly press down throttle treadle (8) until vehicle reaches desired
speed. Tachometer (9) should read between 1650 and 2100 rpm.
CAUTION
Do not hold steering wheel at full left or full right
position for longer than 10 seconds. Power steering oil
overheating and pump damage can result.
Accelerate, brake, and steer as required.
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