REPLACE ENGINE COOLING FANS

CHAPTER 5 MAINTENANCE OF ENGINE COOLING SYSTEM

REPLACE/REPAIR ENGINE COOLING FAN HOUSINGS

TM-9-2350-256-20 Carrier Cargo Tracked 6-Ton M548A1 (2350-01-096-9356) M548A3 2350-01-369-6081 Manual
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CHAPTER 5: MAINTENANCE OF ENGINE COOLING SYSTEM TM 9-2350-256-20 5— 1 REPLACE ENGINE COOLING FAN SHROUD SEALS--Continued NOTE Follow-on maintenance: Install engine deck (see paragraph 9-51) 5— 2 REPLACE ENGINE COOLING FANS THIS TASK COVERS a. Removal b. Installation INITIAL SET-UP Tools: Parts: Equipment Condition: ·Tool kit, general mechanic's ·Lockwashers (8) (Appendix G, Shroud seals removed (see (Appendix C, item 53) item 96) paragraph 5-1) ·Wrench, torque (Appendix C, ·Pins, cotter (2) (Appendix G, item 61) item 218) NOTE Removal and installation procedures are the same for both the forward and rear cooling fans. a. REMOVAL 1 Remove housing (1) by removing four screws (2) and four lockwashers (3). 2 Remove cotter pin (4), nut (5), and flat washer (6). NOTE ·Do not separate hub and fan, as this will affect the balance of the assembly. ·Both forward and rear hub and fan assemblies are interchangeable. 3 Remove assembled fan (7) and hub (8). b. INSTALLATION 1 Install assembled fan (7) and hub (8) on splined vehicle shaft. 2 Install flat washer (6) and nut (5). Torque nut to 50 pound-feet (lb-ft) (68 newton-meters [N-m] ). 3 Aline slot with hole in shaft and install new cotter pin (4). 5— 2

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