Graco A-25 Outboard Motor User Manual


 
Repair
32 3A1570A
Fluid Temperature Sensor (FTS)
Test/Removal
1. Turn main power OFF . Disconnect power
supply.
2. Relieve pressure, page 13.
3. Remove tape and protective covering from FTS.
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
FIG. 10: Fluid Temperature Sensor and Heated Hoses
A
B
H
C
L
ISO
A
W
B
D
K
ti9581c
F