TM10-3930-660-20 17-10 l HEATER HOSES, LINES, AND FITTINGS - REPLACE This task covers: a. Removal b.  Installation REMOVAL Initial  Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Clamp (1, 4, 7, 9, 11, 13) Loctite 59242 (App. C, Item 42) Equipment  Condition Tie Wrap (App. C, Item 53) Vehicle parked on level ground. Engine cooling system drained, para.  7-3. NOTE Remove tie wrap around heater hoses as required. Note location of tie wrap for use during installation. 1. REMOVE HEATER HOSES AS REQUIRED. a. Remove clamp (1) and hose (2) at connector  (3).   Discard clamp (l). b. Remove clamp (4) and hose (5) at connector (6).   Discard clamp (4). c. Remove clamp (7) and hose (2) at heater control valve (8). Discard clamp  (7). d. Remove clamp (9) and hose (10) at heater control valve (8). Discard clamp  (9). 17-26