Kohler 10EKD Installation Instructions Manual - Page 8
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9.
Procedure to Clean Seawater Flow
Switch
Check and clean the seawater flow switch according to
the Service Schedule in Section 10.
9.1
Push the generator set power button OFF.
9.2
Disconnect power to the battery charger, if
equipped.
9.3
Disconnect the generator set engine starting
battery, negative (--) lead first.
9.4
Firmly grasp the housing and turn the bonnet
assembly 45_ counterclockwise (as indicated on
the top of the bonnet) to unlock the mating tabs on
the two parts. See Figure 16.
9.5
Pull the bonnet assembly out of the housing. Be
careful not to pull on the lead wires.
9.6
Clean the shuttle, stem, spring, retaining clip, and
inside of the housing by lightly scraping and/or
wiping away any debris or buildup.
9.7
Check the O-ring, bonnet assembly, shuttle, and
spring for any damage. Replace the flow switch, if
necessary.
9.8
Reassemble by ensuring the spring is set within
the clips on the shuttle cap.
9.9
Reposition the O-ring in the counter-bored
shoulder of the housing.
9.10 Insert the bonnet assembly into the housing,
allowing the tabs on the bonnet to clear the mating
lugs on the housing. Ensure bonnet stem end
aligns with centering feature in the housing.
9.11 Lock the bonnet assembly by firmly grasping the
housing and turning the bonnet 45_ clockwise as
indicated on the top of the bonnet. This engages
the mating tabs on the two parts.
9.12 Reconnect the engine starting battery, negative
(--) lead last.
9.13 Reconnect power to the battery charger, if
equipped.
8
1
4
6
7
1. Bonnet assembly
2. Stem
3. Spring
4. Shuttle
5. Retaining clip
6. O-ring
7. Housing
Figure 16 Flow Switch Assembly
Parts List
Kit: GM90489
Qty. Description
1
Relay, 12 V
1
Switch, seawater pressure
(2.0 psi ± 0.5)
1
Switch, flow
1
Harness
2
Fittings, hose
1
Hose (0.63 ID x 5.0 in.)
2
Clamp, hose (0.69--1.25 in.)
1
Screw (#10-32 x 0.5 in.)
1
Nut (10-32)
2
3
5
Part Number
GM49746
GM54744
GM90436
GM90471
GM90472
X-312-42
X-426-12
X-50-1
X-70-3
TT-1617
12/13