CONTENTS
Page
TROUBLESHOOTING.................................................................................................................20
BASIC SERVICE.......................................................................................................................... 22
Electrical Service.................................................................................................................... 22
Fuses................................................................................................................................. 23
Motor Overloads............................................................................................................... 23
Timers............................................................................................................................... 24
Timed Fill/Low Water Tank Heat Protection................................................................... 25
Heater Element Wiring..................................................................................................... 26
Motor Connections........................................................................................................... 27
Mechanical Service................................................................................................................. 28
Pump Seal Replacement ................................................................................................... 28
REPLACEMENT PARTS LIST .................................................................................................... 29
ELECTRICAL SCHEMATICS .................................................................................................... 64
LIST OF FIGURES
Figure 1 — Placement for Corner Operation.............................................................................. 9
Figure 2 — Changing the Track Assembly ................................................................................ 10
a — Straight-Through Configuration
b — Corner Configuration
Figure 3 — D-HB 3/4" NPT Water Supply Connection............................................................. 11
Figure 4 — D-H1/ D-LF 3/4" NPT Water Supply Connection.................................................. 11
Figure 5 — Drain Connection..................................................................................................... 12
Figure 6 — Chemical Connection Points ................................................................................... 13
Figure 7 — Wash Tank Detergent Equipment Insertion Points................................................. 13
Figure 8 — Rinse Aid Injection Point (D-HB, D-H1 Only) ...................................................... 14
Figure 9 — Rinse Aid/Sanitizer Injection Points (D-LF)........................................................... 15
Figure10 — Operator Controls .................................................................................................... 16
Figure11 — Door Activated Drain Lever Assembly ................................................................... 16
Figure 12 — Fuses........................................................................................................................ 23
Figure 13 — Motor Overload....................................................................................................... 23
Figure 14 — Cycle Timer ............................................................................................................. 24
Figure 15 — Cycle Timer Chart ................................................................................................... 24
Figure 16 — Fill Timer................................................................................................................. 24
Figure 17 — Fill Timer Chart....................................................................................................... 24
Figure 18 — Float Switch ............................................................................................................. 25
Figure 19 — Float Switch Troubleshooting Chart........................................................................ 25
Figure 20 — Pump Motor Wiring Diagrams................................................................................ 27
Figure 21 — Pump Seal Replacement.......................................................................................... 28
Figure 22 — Doors, Panels and Gauges....................................................................................... 30
Figure 23 — Door Guides, Stops, and Lift Bracket..................................................................... 32
Figure 24 — Door Handle and Spring Assembly ........................................................................ 34
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CONTENTS