Fluid Temperature Sensor (Fts) - Graco Reactor A-25 Repair Parts

Fluid Temperature Sensor
(FTS)
Test/Removal
1. Turn main power OFF
supply.
2. Relieve pressure, page 11.
3. Remove tape and protective covering from FTS
(11), F . 8. Disconnect hose cable (F). Test with
IG
ohmmeter between pins of cable connector.
Pins
1 to 2
1 to 3
3 to FTS groundscrew
1 to FTS component A
fitting (ISO)
4. If FTS fails test, replace FTS.
5. Disconnect air hoses (C, L), and electrical connec-
tors (D).
26
. Disconnect power
Result
approximately 10 ohms
infinity (∞)
0 ohms
infinity (∞)
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 from component A (ISO) side of
hose.
Installation
CAUTION
To prevent damage to probe, do not kink or exces-
sively bend whip hose. Do not coil hose tighter than
the minimum bend radius of 3 ft (0.9 m). Do not sub-
ject hose to excessive weight, impact, or other abuse.
1. Carefully extend FTS probe (H). Do not bend or kink
probe. Insert in component A (ISO) side of main
hose.
2. Connect whip hose ground wire (K) to ground screw
on underside of FTS.
3. Install FTS in reverse order of removal. Leave slack
(G) in cables as stress relief, to prevent cable failure.
4. Secure hose and cable connections with tape and
install protective covering.
Repair
309813B