TM-9-2320-273-20
TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE
NOVEMBER 1980
TM-9-2320-273-20 - Page 55 of 1500
TM 9-2320-273-20
Section III ENGINE CONTROLS
2.8. INTRODUCTION.
Cab engine controls for all M915 thru M920 vehicles are identical. Special body engine speed controls
for models M917, M918, and M919 are described in the following manuals:
a.
M917 Dump Truck – TM 5-3805-274-24 & P.
b.
M918 Bituminous Distributor – TM 5-3895-371-24 & P.
c.
M919 Concrete - Mobil
®
Mixer – TM 5-3895-372-20.
2-9. ENGINE SPEED CONTROLS.
1.
2.
3.
4.
5.
6.
7.
8.
HAND THROTTLE. Allows manual control of engine rpm. Throttle motion is transferred
by cable to engine mounted pivot lever (6).
THROTTLE CABLE. Flex cable from hand throttle to engine mounted pivot lever (6).
ACCELERATOR PEDAL. Connected by mechanical linkage to under cab pivot lever (4).
PIVOT LEVER. Mechanical linkage that connects accelerator pedal to accelerator rod.
ACCELERATOR ROD. Connects accelerator pedal and throttle linkage to accelerator lever
on fuel pump.
ENGINE MOUNTED PIVOT LEVER. This lever connects the under dash hand throttle
cable (ALL) and the winch throttle cable (M916 and M920) to the accelerator rod.
ACCELERATOR LEVER. This lever
controls the flow of fuel
through the
fuel pump
thus
setting
engine speed.
FUEL CONTROL RETURN SPRING. Return accelerator lever to normal position when
hand throttle and accelerator pedal are not engaged.
2-7
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