TM 9-2350-256-20-1
UNIT MAINTENANCE
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
NSN 2350-00-122-6826, EIC AQA
ENGINE COOLING FAN VERTICAL SHAFT OIL SEALS MAINTENANCE
REMOVAL, DISASSEMBLY, ASSEMBLY, INSTALLATION
INITIAL SETUP:
Tools and Special Tools
Materials/Parts (cont.)
Tool kit, general mechanic's (item 59, WP 0490 00)
Seals, oil (2) (item 63, WP 0491 00)
Screws, cap (jackscrews) (item 50, WP 0490 00)
Washers, flat (12) (item 843, WP 0491 00)
Materials/Parts
References
TM 9-2350-256-10
Compound, sealing (item 29, WP 0489 00)
Gaskets (2) (item 109, WP 0491 00)
Equipment Condition
Lockwires (2) (item 484, WP 0491 00)
Screws (12) (item 353, WP 0491 00)
Cooling fans removed (see WP 0144 00)
NOTE
Removal and installation are the same for both the front and rear cooling fan oil seals.
Removal
1.
Cut and remove lockwire (1).
2.
Remove six screws (2) and six flat washers (3) securing vertical drive shaft oil seal housing assembly (4) to fan drive
housing cover (5).
3.
Install two 5/16-18 by 4 in.- (101.6 mm-) long jackscrews (6) in screw holes provided in oil seal housing assembly (4).
4.
Alternately tighten the two jackscrews (6) until oil seal housing assembly (4) separates from fan drive housing cover (5).
0147 00-1
