C 10, TM 9-2350-230-12
CHAPTER 12
SPECIAL PURPOSE KITS
Section 12-1. GENERAL
cial purpose kits available for application to the M551
12-1. Scope
vehicles by organizational maintenance personnel.
This chapter illustrates procedures for the installation
and allocated maintenance of spe-
Sections 12-2 and 12-3 including paragraphs 12-2 and 12-3 - deleted.
Section 12-4. ENGINE AND BATTERY WINTERIZATION KIT
heater, engine, and battery heater by an electrically
12-4. General
driven coolant pump furnished with the kit.
a. The winterization kit, when installed, provides a
standby coolant heating and circulating system for use
Troubleshooting procedures are listed in Table 8-4, items
during shutdown periods at ambient temperatures
60 through 66.
between -25sF and -65 F. The coolant heater system
d. Original installation of the kit is performed by
serves the dual purpose of preventing freezing of battery
support maintenance personnel.
electrolyte, and of keeping the engine sufficiently warm
e. Removal, replacement and maintenance of
to aid in starting.
components of the kit are illustrated in figures 12-5
b. The system is electrically actuated from a control
through 12-12.
box located to the left of the driver. An electric fuel pump
delivers fuel from the vehicle center fuel supply tank into
the coolant heater where it is ignited in a combustion
chamber. Coolant is circulated through the
Section 12-5. LESS MISSILE SYSTEM KIT
b. Additional components of the kit are installed to
12-5. General
provide turret and weapon stabilization utilizing missile
a. The less missile system kit provides for the
subsystem power supply and rate sensor. Additional
removal of a portion of the missile subsystem from
ammunition stowage is also provided when kit is installed
vehicles when assigned to specific fielding not requiring
(Fig. 12-13).
a missile subsystem. Production vehicles, serial No. 140
through 223 and 740 through 885 were manufactured
less missile subsystem.
Section 12-6. MINE PROTECTIVE KIT
installation is made by support maintenance personnel.
12-6. General
a. The mine protective kit consists of an armor
b. Removal of the kit is shown in figures 12-14 and
steel plate and aluminum spacer plate for the hull
12-15.
bottom, two armor steel side plates, and attaching
hardware. Because of hull modification required to
accept the kit, original
Section 12-7 and figures 12-1, 12-2, 12-3, 12-4, 12-4. 1, and 12-4. 2 - deleted.
12-1