Pressure Control; On/Off Switch - Graco LineLazer IV 3900 Repair And Parts Manual

Pressure Control

On/Off Switch

Removal
1 Relieve pressure, page 7.
2 Fig. 13. Remove two screws (125) and cover (31).
3 Pull display connector wings (A) open on PC board
and pull display connector out.
4 Disconnect ON/OFF switch connector (B) from PC
board.
5 Press in on two retaining tabs on each side of
ON/OFF switch (15g) and remove switch.
TO ENGINE
Fig. 13
311020Y
15o
15r
Installation
1 Install ON/OFF switch (15g) so tabs of switch snap
into place on inside of pressure control housing.
2 Connect ON/OFF switch connector (B) to PC board.
3 Push display connector into PC board close display
connector wings (A) on PC board.
4 Install cover (31) with two screws (125).
A
C
GROUND
15d
15j
31
Transducer
216
217
ti6408a
Pressure Control
15g
15n
15i
B
D
Main Control
Box Cable
17