TM 5-3805-262-2010-6. 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 HEATCONTROL valve.TOOLS: No. 1 Common Organizational Maintenance Tool KitFixed open end wrench setSocket wrench set, 3/8 inch driveScrewdriverNOTEPRELIMINARY PROCEDURE: Engine side panels removed (page 9-14), heaterw 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 ryground 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 atsupport 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 upo 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 togain access to HEAT CONTROL valve ports and its mounting hardware.At HEAT CONTROL valve, loosen clamp (4) and disconnect hose (5) fromvalve by pulling it from valve port.10-46
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