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TM 5-4210-233-14&P-1
CHAPTER 4
UNIT MAINTENANCE
Contents
Para
Page
COMMON TOOLS AND EQUIPMENT ................................................................ 4-1
4-5
SPECIAL TOOLS, TMDE AND SUPPORT EQUIPMENT .................................... 4-2
4-5
REPAIR PARTS .................................................................................................. 4-3
4-5
INTRODUCTION ................................................................................................. 4-4
4-5
GENERAL (Section III) ........................................................................................ 4-5
4-10
GENERAL (Section IV)........................................................................................ 4-6
4-18
PROCEDURES ................................................................................................... 4-7
4-18
SYMPTOM INDEX .............................................................................................. 4-8
4-18
GENERAL MAINTENANCE PROCEDURES ....................................................... 4-9
4-146
HARD SUCTION HOSES .................................................................................... 4-10
4-160
SOFT SUCTION HOSES .................................................................................... 4-11
4-161
PUMP PANEL LIGHTS........................................................................................ 4-12
4-162
COMPARTMENT LIGHTS .................................................................................. 4-13
4-164
STEP LIGHTS ..................................................................................................... 4-14
4-166
CROSSLAY HOSE BIN DIVIDERS...................................................................... 4-15
4-167
CROSSLAY HOSE BIN ROLLERS...................................................................... 4-16
4-168
GAUGES-CROSSLAY, DISCHARGE, PUMP PRESSURE AND VACUUM ......... 4-17
4-169
GAUGES-ENGINE STATUS ............................................................................... 4-18
4-170
WATER TANK LEVEL GAUGE ........................................................................... 4-19
4-173
TACHOMETER ................................................................................................... 4-20
4-175
PUMP PANEL INDICATOR LIGHTS ................................................................... 4-21
4-177
PUMP PANEL TOGGLE SWITCHES .................................................................. 4-22
4-179
ENGINE COOLER VALVE .................................................................................. 4-23
4-180
PRIMER CABLE.................................................................................................. 4-24
4-181
STREET SIDE OPERATOR'S PANEL ................................................................ 4-25
4-182
CURB SIDE OPERATOR'S PANEL..................................................................... 4-26
4-190
THROTTLE CONTROL ....................................................................................... 4-27
4-192
GAUGE PANEL ENCLOSURE............................................................................ 4-28
4-193
RUNNING BOARDS............................................................................................ 4-29
4-194
PULL-OUTTREAD PLATE .................................................................................. 4-30
4-195
FOAM METERING VALVE (PROPORTIONER) .................................................. 4-31
4-196
METERING VALVE DRAIN ................................................................................. 4-32
4-198
EDUCTOR........................................................................................................... 4-33
4-200
OPERATING RODS ............................................................................................ 4-34
4-202
RELIEF VALVE ................................................................................................... 4-35
4-203
RELIEF VALVE PILOT ASSEMBLY ................................................................... 4-36
4-204
Y-STRAINER AND 1-1/2" CHECK VALVE........................................................... 4-37
4-206
Y-STRAINER DRAIN VALVE............................................................................... 4-38
4-208
#1, #2 AND AERIAL DISCHARGE DRAIN VALVES............................................ 4-39
4-210
FLUSH VALVE .................................................................................................... 4-40
4-212
FOAM VALVE ..................................................................................................... 4-41
4-216
WATER VALVE................................................................................................... 4-42
4-220
#1 CROSSLAY VALVE........................................................................................ 4-43
4-224
#2 CROSSLAY VALVE........................................................................................ 4-44
4-229
#1, #2, #3 AND #4 DISCHARGE VALVES .......................................................... 4-45
4-234
TANK FILL AND RECIRCULATING VALVE ....................................................... 4-46
4-238
AERIAL DISCHARGE VALVE ............................................................................. 4-47
4-242
TANK DRAIN VALVE .......................................................................................... 4-48
4-246
4-1
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