TM-9-2320-279-20-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3
TM-9-2320-279-20-1 - Page 517 of 985
TM 9-2320-279-20-1
CHAPTER 6
COOLING SYSTEM MAINTENANCE
Contents
General .
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Cooling System Servicing
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Radiator Removal/Installation
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Radiator Baffle Removal/Installation.
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Side and Bottom Radiator Baffle RemovaUInstaIlation .
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FanShroudRemovaYInstallation.
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Coollng System Hoses and ‘IWes Removal/Installation .
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Left Thermostat, Cover, and Housing Removal/installation.
Right Thermostat, Cover, and Housing Removal/Installation.
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Fan Control Valve RemovaUInstallation .
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FanRemoval/Installation
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Fan Clutch Removal/Installation
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Fan Clutch to Engine Block Hose Removal/Installation.
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Alternator Belt Adjstment
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Alternator Belt Removal/Installation.
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Fan Belt Adjustment.
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Fan Belt Removal/Installation.
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Para Page
6-1
6-1
6-2
6-2
6-3
6-5
6-4
6-9
6-5
6-12
6-6
6-16
6-7
6-17
6-8
6-23
6-9
6-28
6-10 6-36
6-11 6-38
6-12
6-42
6-13 6-44
6-14 6-47
6-15 6-48
6-16 6-49
6-17 6-50
Section I. INTRODUCTlON
6-1. GENERAL.
This chapter contains maintenance instructions for removing, aausting, servicing,
replacing, and installing the cooling system components authorized by the Maintenance Allocation Chart
(MAC) at the organizational maintenance level.
6-1
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