Graco 312066z Paint Sprayer User Manual


 
Repair
44 312066Z
Fluid Temperature Sensor (FTS)
Test/Removal
1. Turn main power OFF . Disconnect power
supply.
2. Relieve pressure, page 23.
3. Remove tape and protective covering from FTS
(21), F
IG
. 8. Disconnect hose cable (F). Test with
ohmmeter between pins of cable connector.
4. If FTS fails any test, replace FTS.
5. Disconnect air hoses (C, L), and electrical connec-
tors (D).
6. Disconnect FTS from whip hose (W) and fluid hoses
(A, B).
7. Remove ground wire (K) from ground screw on
underside of FTS.
8. Remove FTS probe (H) from component A (ISO)
side of hose.
Installation
The Fluid Temperature Sensor (FTS) is supplied. Install
FTS between main hose and whip hose. See Heated
Hose manual 309572 for instructions.
Pins Result
1 to 2 approximately 10 ohms
1 to 3 infinity
3 to FTS groundscrew 0 ohms
1 to FTS component A
fitting (ISO)
infinity
F
IG
. 9: Fluid Temperature Sensor and Heated Hoses
WLE
A
B
H
C
L
ISO
A
W
B
D
K
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