TM-9-2350-261-20-4 Unit Maintenance Manual Volume 4 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
Page 301 of 788
TM 9-2350-261-20-4 REPLACE M42 VENTILATED FACE MASK (VFM) HEATER 0694 00 THIS WORK PACKAGE COVERS: Removal (page 0694 00-1). Installation (page 0694 00-2). INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0780 00, Item 29) M a t e r i a l s / P a r t s Corrosion preventive compound (WP 0782 00, Item 17) Locknut (4) Lockwasher (4) P e r s o n n e l R e q u i r e d Unit Mechanic E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Carrier blocked (see your -10) Battery ground lead disconnected (WP 0294 00) REMOVAL 1. Unplug power lead (1) from heater jack (2). 2. Loosen clamp (3) and remove clamp and hose assembly (4) from adapter (5). 3. Loosen clamp (6) and remove clamp and hose assembly (7) from adapter (8). NOTE Location varies for heaters. Procedures in Step 4 cover the different mounting hardware. 4. Remove four screws (9), lockwashers (10), washers (11), locknuts (12), and heater (13). Discard locknuts and lockwashers. 0694 00-1