Trigger Sensor Adjustment; Distance Sensor Replacement - Graco LineLazer IV 3900 Repair Parts List Manual

Engine Stop Switch
Note: A complete wiring diagram is on page 34.
Removal
1. Relieve pressure, page 6.
2. F . 13. Remove two screws (125) and cover (31).
IG
3. Remove two spade connectors from ENGINE STOP
switch (15f).

Trigger Sensor Adjustment

Refer to Troubleshooting for trigger sensor adjustment,
and see operation manual.

Distance Sensor Replacement

1. Remove wheel (120) from LineLazer.
2. Remove screw (273), wire clamp (115) and distance
sensor (66).
F . 14
IG
312195B
120
130
127
142
4. Press in on two retaining tabs on each side of
ENGINE STOP switch and remove switch.
Installation
1. Install ENGINE STOP switch (15f) so tabs of switch
snap into place on inside of pressure control hous-
ing.
2. Install cover (31) with two screws (125).
3. Install new distance sensor (66) with wire clamp
(115) and screw (273).
4. Install wheel (120) on LineLazer.
66
130
Trigger Sensor Adjustment
273
115
TI10237a
19