MWO-9-2320-272-20-8

MODIFICATION OF 5-TON M939A2 SERIES TRUCKS

ACCELERATOR LINKAGE MODIFICATION KIT; MODIFICATION WORK ORDER

MARCH 1997
MWO-9-2320-272-20-8

  MWO-9-2320-272-20-8 - Page 4 of 18

MWO 9-2320-272-20-8
9.
SPECIAL TOOLS; TOOL KITS; JIG; TEST, MEASUREMENT, AND DIAGNOSTIC EQUIPMENT (TMDE); AND
FIXTURES REQUIRED.
Hand tools necessary to apply the MWO are contained in the following tool kit:
NOMENCLATURE
NSN
CAGEC
SUPPLY CATALOG
Tool Kit, General Mechanic’s
50980
SC 5180-90-CL-N26
10.
MODIFICATION PROCEDURES.
a.
Vehicle Preparation.
(1)
Set parking brake I(TM 9-2320-272-10).
(2)
Raise and secure hood (TM 9-2320-272-10).
(3)
Remove engine splash shield (TM 9-2320-272-10).
(4)
Depress spring socket and remove accelerator linkage from ball joint on throttle lever as shown in
figure 1.
(5)
Disconnect throttle return spring from accelerator linkage as shown in figure 2.
(6)
Loosen jamnut and remove accelerator linkage from ball joint on bellcrank as shown in figure 2.
NOTE
Position and location of jamnut must be noted for future installation purposes.
(7)
Measure distance from jamnut to threaded end of accelerator linkage as shown in figure 2.
(8)
Remove jamnut, spring pin, yoke, and spring from accelerator rod as shown in figure 3.
(9)
Remove two cotter pins, washers, and accelerator pedal rod from bellcrank and accelerator pedal as
shown in figure 4.
(10
Remove spring from throttle lever as shown in figure 5.
(11)
Remove clip pin, washer, and modulator cable from throttle lever as shown in figure 5.
NOTE
Mark location of shoulder pin on throttle lever prior to removal for future installation purposes.
(12)
Remove nut, washer, and shoulder pin from throttle lever as shown in figure 5.
(13)
Remove ball joint, washer, screw, and throttle lever from fuel pump as shown in figure 6.
NOTE
Ensure leads of throttle control solenoid are facing upward when rotated.
(14)
Remove two screws and throttle control solenoid from bracket.
Rotate throttle control solenoid 180
degrees and secure on bracket with two existing screws as shown in figure 6.
4


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