TM-9-2330-356-14
SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1990
TM-9-2330-356-14 - Page 188 of 528
TM 9-2330-356-14
(3) Connect leads to circuit breaker and
preheater solenoid.
(4)
strip.
(5)
box.
(6)
(7)
(fig. 4-37).
Connect lead No. 54 (fig. 4-30) to terminal
Tighten cable connectors on side of junction
Close junction box cover and tighten clamps.
Connect negative battery cable to battery
4-18.
Engine Preheater Solenoid
WARNING
When troubleshooting an electrical malfunc-
tion or performing electrical maintenance,
ALWAYS disconnect intervehicular electrical
cable from semitrailer, and negative battery
cables at batteries. Failure to follow this warn-
ing may create a spark and explosion, result-
ing In serious injury or death to personnel.
a.
Removal.
(1) Disconnect negative battery cable from
battery (fig. 4-37).
(2) Loosen engine junction box clamps and open
cover.
(3) Disconnect all leads from preheater solenoid
and circuit breaker (fig. 4-30).
(4) Disconnect lead No. 54 (fig. 4-30) that goes
to fuel pumps from terminal strip.
(5) Loosen cable connectors (fig. 4-30) on side of
junction box.
(6) Pull the two large leads through the
connectors until they are almost removed from the
junction box.
(7) Remove four screws (6, fig. 4-31) and
washers (7) that secure mounting plate to control panel.
(8) Tilt mounting plate (8) for access to solenoid
mounting screws.
(9) Remove the two screws (15), nuts (16), and
preheater solenoid (14).
b.
Installation.
(1) Install solenoid (14, fig. 4-31) to mounting
plate with two screws (18) and nuts (19).
(2) Fasten mounting plate to control panel with
four screws (6) and washers (7). Ground lead is to be
installed with upper left screw.
(3)
(fig. 4-30).
(4)
(5)
box.
(6)
(7)
(fig. 4-37).
Connect leads to preheater solenoid
Connect lead No. 54 to terminal strip.
Tighten cable connectors on side of junction
Close junction box cover and tighten clamps.
Connect negative battery cable to battery
4-19.
Engine Junction Box
WARNING
When troubleshooting an electrical malfunc-
tion or performing electrical maintenance,
ALWAYS disconnect Intervehlcular electrical
cable from semitrailer, and negative battery
cables at batteries. Failure to follow this warn-
ing may create a spark and explosion, result-
ing in serious Injury or death to personnel.
a.
Removal.
(1) Disconnect
battery (fig. 4-37).
negative battery cable from
(2) Loosen junction box cover screws and lower
the cover.
(3) Tag all leads in junction box necessary for
removal of cables to ensure proper installation when
installing junction box
<
(4) Disconnect all leads in junction box and
remove completely.
(5) Remove four capscrews (2), lockwashers (3),
and nuts (4). Remove wiring harness (5).
(6) Remove five cable connectors (1) by removing
locking washers, and pull cable assemblies.
(7) Remove four screws (6) and washers (7).
Remove mounting plate (8).
(8) Remove two capscrews (9) and nuts (10).
Remove junction box (11).
4-52
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