TM 5-4610-223-12 INDEX (Continued) Paragraph, Figure Fuel Valve........................................................................................................................ 4-38 Clean, Inspect and Replace ....................................................................................... 4-38b Installation ................................................................................................................. 4-38c Removal .................................................................................................................... 4-38a Fuse, Hunter Heater......................................................................................................... 4-41 Fuseholder and Fuse........................................................................................................ 4-62 Cleaning, Inspection and Replace .............................................................................. 4-62c Installation ................................................................................................................. 4-62d Removal .................................................................................................................... 4-62b Fuseholder and Terminal Block, Installed ......................................................................... F4-49 Installation ................................................................................................................. 4-41d Removal .................................................................................................................... 4-41b Replace ..................................................................................................................... 4-41c G Gages, Diatomite Filter, and Mounting Bracket ................................................................ 4-68 Inspect ....................................................................................................................... 4-68c Installation ................................................................................................................. 4-68e Removal .................................................................................................................... 4-68b Replace ..................................................................................................................... 4-68d Gages, Feed and Flow Indicators and Pressure................................................................ T2-2 Gage, Raw Water Pressure.............................................................................................. 4-67 Inspect and Replace .................................................................................................. 4-67c Installation ................................................................................................................. 4-67d Removal .................................................................................................................... 4-67b Gear Box, Chemical Solution Feeder ............................................................................... F2-14 General Lubrication Information ....................................................................................... 3-1 Ground Rod Assembly ..................................................................................................... 3-39 H Handles, Door . ................................................................................................................ 4-25 Inside......................................................................................................................... 4-25b Outside ...................................................................................................................... 4-25a Hatch, Van Body Roof...................................................................................................... 4-34 Disassembly .............................................................................................................. 4-34b Installation ................................................................................................................. 4-34d Reassembly ............................................................................................................... 4-34c Removal .................................................................................................................... 4-34a Replace ..................................................................................................................... 4-34e Heater and Van Body Circuit Breaker ............................................................................... F3-13 Heater and Van Body Wiring Circuit Breakers .................................................................. 3-29, 4-50 Cleaning .................................................................................................................... 3-29b Inspect ....................................................................................................................... 3-29c Installation ................................................................................................................. 4-50d Removal .................................................................................................................... 4-50b Service and Replace.................................................................................................. 4-50c Heater Controls (Hunter) .................................................................................................. F2-23 Heater Fuel Pump ............................................................................................................ 3-15, 4-37 I-13