TM 5-3805-262-20
10-6. CAB HEATER SYSTEM MAINTENANCE (CONT)
c. H e a t e r C o n t r o l V a l v e .
This task covers removal and installation of the HEAT
CONTROL valve.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Fixed open end wrench set
Socket wrench set, 3/8 inch drive
Screwdriver
NOTE
PRELIMINARY PROCEDURE: Engine side panels removed (page 9-14), heater
w a t e r s h u t - o f f v a l v e s c l o s e d a t w a t e r p u m p a n d e n g i n e b l o c k , b a t t e ry
ground cable disconnected (page 5-148), a n d o p e r a t o r ’ s s e a t u p p e r s e at
support removed from cab (page 9-31).
REMOVAL (SHEET 1 OF 2)
(1)
( 2)
(3)
(4)
At cab switch panel, remove HEAT CONTROL knob (1) by pulling straight up
o f f c o n t r o l s h a f t.
Remove four screws (2).
Carefully pull cab switch panel (3) Up from heater console just enough to
gain access to HEAT CONTROL valve ports and its mounting hardware.
At HEAT CONTROL valve, loosen clamp (4) and disconnect hose (5) from
valve by pulling it from valve port.
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