Primus D55, Руководство по обслуживанию, Страница: 30 / 82

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Section 5 Service Procedures
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
33. TEMPERATURE CONTROL BOARD
(Manual Timer Models)
Refer to Figure 3.
a. Remove four screws from top and bottom
surfaces of exterior control box cover and
remove cover, disconnecting control box cover
harness or load ready light wires.
b. Remove screw from left and right sides of
control bracket securing control plate.
c. Pivot plate forward to horizontal.
d. Disconnect two plugs from wall of interior
control box and disconnect control box cover
harness (European models only).
e. Remove four screws securing control mounting
bracket to front panel, careful to support control
plate assembly.
f. Pull entire control assembly away from unit.
g. Disconnect wires from temperature control
board.
h. Depress four locking tabs securing control
board to printed circuit board supports. Remove
control.
NOTE: Refer to wiring diagram when rewiring
temperature control.
IMPORTANT: Due to sensitivity of electronic
control, careful handling is required. As a
precautionary measure, we recommend using a
grounded wrist strap when handling control. Wrist
strap, cord and alligator clip are designed to carry
away any electrostatic charge from your body and
to direct charge to an available ground.
Handle control circuit board by the sides only. Do
not contact circuit boards with hands or metal
objects. Place control in a clean, dry area away from
work area to avoid damage. Do not attempt field
repair of the control. Attempted repair or
tampering with the control will void its warranty.
34. ELECTRONIC CONTROL
Refer to Figure 4.
a. Remove four screws from top and bottom
surfaces of exterior control box cover.
b. Pull cover forward. Disconnect control box
cover harness (European models only).
c. Remove screw from left and right sides of
control bracket securing control plate.
d. Pivot plate forward to horizontal.
e. Disconnect wires from control.
f. Remove four nuts securing control to control
plate.
NOTE: Refer to wiring diagram when rewiring
control.
IMPORTANT: Due to sensitivity of electronic
control, careful handling is required. As a
precautionary measure, we recommend using a
grounded wrist strap when handling control. Wrist
strap, cord and alligator clip are designed to carry
away any electrostatic charge from your body and
to direct charge to an available ground.
Handle control circuit board by the sides only. Do
not contact circuit boards with hands or metal
objects. Place control in a clean, dry area away from
work area to avoid damage. Do not attempt field
repair of the control. Attempted repair or
tampering with the control will void its warranty.