TM-9-2350-311-34-1
HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS: HOWITZER, MEDIUM, SELF-PROPELLED, 155MM
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-2350-311-34-1 - Page 282 of 352
TM 9-2350-311-34-1
10-1 WINTERIZATION KIT INSTALLATION — CONTINUED
a. Installation — Continued
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Place exhaust grille tarpaulin (178) holddown strip (179) on grille to serve as template. Locate hole at front of
grille and tap six 5/16-24 UNF-28 holes.
Locate five loop-type fasteners (180) and weld into position (TM 9-237).
Remove four screws (181), install exhaust grille tarpaulin (178) with straps (1 82) up and webbing down, and
install five screws (183) and five flat washers (184).
Secure exhaust grille tarpaulin (178) by attaching five straps (182) to five loop-type fasteners (180).
Before starting engine, unfasten five straps (182) to secure exhaust grille tarpaulin (178). Roil tarpaulin into
smallest possible tube form.
Secure with three webbing assemblies (185).
Unfasten 4, 6, 8, or 10 straps as required. Roil air intake grille tarpaulin (173) inward to smallest possible tube
and secure with 3 webbing assemblies (186).
Winterization kit installation is now complete; refer to TM9-2350-311 -10 for operating
instructions. Kit operation is intended to commence upon engine shutdown after
engine temperatures reach normal operating levels. Operation of this kit with engine
coolant temperatures less than 0°F (17.8°C) may result in failure of coolant heater.
b. Bleeding Winterization System
Coolant is hazardous waste and must be disposed of in accordance with local
procedures or direction of the local Hazardous Waste Management office.
1 Disconnect kit coolant hose at elbow on engine-bank right coolant manifold.
2 Temporarily plug elbow, place disconnected coolant hose end in suitable container, and fill radiator (TM 9-
2350-311-10).
NOTE
Do not overdrain coolant system. Return drained coolant to radiator as required, then
continue air bleed procedure. Air bleed should always be performed after removal or
replacement of coolant heater or any coolant line.
3 Start engine and run for short period of time, observing flow of air and coolant out of disconnected hose.
Continuous flow of coolant without air bubbles indicates air bleed accomplished.
10-22
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