TM-9-2320-279-34-3
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 3 OF 3
TM-9-2320-279-34-3 - Page 17 of 717
CHAPTER 17
M977, M985, and M984E1 CRANE MAINTENANCE
Contents
Para
General .
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17-1
Hydraulic Hoses, Tubes, and Fittings Removal/Installation .
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17-2
Hydraulic Hoses, Tubes, and Fittings Removal/Installation (M984El) .
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17-2.1
Crane Removal/Installation .
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17-3
Crane Removal/Installation .
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17-3.1
Subframe Removal/Installation .
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17-4
Turntable and Bearing Removal/Installation .
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17-5
Turntable and Bearing Removal/Installation (M984E1) .
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17-5.1
Turntable Stop Removal/Installation (M984E1)
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17-5.2
Swing Drive Valve Removal/Repair/Installation .
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17-6
Swing Drive Valve Removal/Repair/Installation (M984E1)
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17-6.1
Swing Drive Motor Removal/Repair/Installation .
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17-7
Swing Drive Motor Removal/Repair/Installation (M984E1) .
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17-7.1
Swing Drive Brake Removal/Repair/Installation .
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17-8
Swing Drive Brake Removal/Repair/Installation (M984E1) .
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17-8.1
Swing Drive Removal/Repair/Installation .
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17-9
Swing Drive Removal/Repair/Installation (M984E1) .
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17-9.1
Boom Removal/Installation .
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17-10
Boom Removal/Installation (M984E1) .
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17-10.1
Mast and Bushings Removal/Installation .
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17-11
Mast and Bushings Removal/Installation (M984E1)
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17-11.1
Extension No. 1 and Wear Pads Removal/Installation .
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17-12
Extension No. 1 and Wear Pads Removal/Installation (M984E1) .
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17-12.1
Extension No. 2 and Wear Pads Removal/Installation .
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17-13
Extension No. 2 and Wear Pads Removal/Installation (M984E1) .
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17-13.1
Erection Cylinder Removal/Installation (M977, M985) .
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17-14
Erection Cylinder Removal/Installation (M984E1) .
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17-14.1
Erection Cylinder Repair .
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17-15
Lift Cylinder Removal/Installation .
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17-16
Lift Cylinder Removal/Installation (M984E1) .
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17-16.1
Lift Cylinder Repair .
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17-17
Extension No. 1 and No. 2 Cylinder and Wear Pads Removal/Installation .
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17-18
Extension No. 1 and No. 2 Cylinder and Wear Pads Removal/Installation (M984E1) . . 17-18.1
Extension Cylinder Repair .
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17-19
Extension Cylinder Repair (M984E1) .
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17-19.1
Tension Cylinder Removal/Repair/Installation (M984E1) .
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17-19.2
Hoist Assembly and Pivot Bushings Removal/Installation .
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17-20
Hoist Cable Follower Repair (M977, M985) .
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17-20.1
Hoist Cable Guide Removal/Installation (M977, M985) .
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17-20.2
Hoist Drive Motor Control Valve Removal/Repair/Installation .
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17-21
Hoist Motor Valve Assembly Removal/Repair/Installation (M984E1) .
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17-21.1
Hoist Drive Motor Removal/Repair/Installation .
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17-22
Hoist Drive Motor Removal/Repair/Installation (M984E1) .
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17-22.1
Hoist Assembly Repair .
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17-23
Hoist Brake Removal/Repair/Installation .
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17-24
Hoist Brake Removal/Repair/Installation (M984E1) .
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17-24.1
Hoist Adjustment (M977 and M985) .
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17-25
Hoist Adjustment (M984E1) .
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17-25.1
Eight Bank Valve Body and Mounting Bracket Removal/Installation .
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17-26
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17-27
Eight Bank Valve Body Mounting Bracket Removal/Installation
Eight Bank Valve Body Repair .
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17-28
Right Hand Control Valves Mounting Bracket Removal/Installation (M984E1) .
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17-28.1
Left Hand Control Valve Body Removal/Repair/Installation (M984E1) .
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17-28.2
Page
17-2
17-2.1
17-16
17-17
17-20
17-20.4
17-22
17-26
17-26.3
17-26.4
17-28.1
17-29
17-34.1
17-35
17-38.1
17-39
17-50.3
17-50.14
17-56
17-56.4
17-58.1
17-59
17-62.1
17-63
17-68
17-68.4
17-72
17-72.3
17-76
17-78.1
17-79
17-83
17-86
17-86.2
17-90.1
17-90.6
17-91
17-92.1
17-92.8
17-93
17-96.1
17-96.6
17-100
17-100.5
17-106
17-114
17-114.7
17-116.1
17-117
17-120
17-123
17-138
17-138.1
TM 9-2320-279-34-3
Change 3
17-1
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