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