Sensor And Switch Repairs - Graco InvisiPac HM10 Instructions Manual

Repair

Sensor and Switch Repairs

DANGER
SEVERE ELECTRIC SHOCK HAZARD
This equipment can be powered by more than 240V.
Contact with this voltage will cause death or serious
injury.
• Turn off and disconnect all power before
disconnecting any cables and before accessing
the electrical enclosure or servicing electrical
components.
Remove the Level Sensor
F . 70: Level Sensor Location
IG
1. Turn the main power switch (204) OFF.
2. Remove the funnel cover (242) and funnel filter
(241).
3. Disconnect the cable on the level sensor (240) from
the equipment and pull the cable through the top of
the sensor housing.
4. Unscrew the level sensor (240) and remove it from
the funnel.
84
Install the Level Sensor
1. Thread the level sensor (240) into the sensor
housing until it bottoms out, then back it out 1/4
turn. Hand tighten the jam nut.
2. Feed the level sensor cable through the top of the
sensor housing.
3. Reconnect the level sensor cable.
4. Install the funnel filter (241) and funnel cover (242).
Replace Cycle Switch Sensor
1. Prepare Equipment for Service. Follow the steps
on page 82.
2. Disconnect the cable from the cycle switch (234).
3. Remove the cycle switch fastener and washers to
separate the cycle switch (234) from the motor.
242
4. Install the cycle switch (234) replacement and
secure with the washers and fastener. Torque to
7–10 in-lb (0.7–1.0 N•m).
241
5. Reconnect the cycle switch cable.
240
F . 71: Cycle Switch Location
IG
234
3A7259C