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© 2011 Aqua-Hot
®
AHE-100-02S Hydronic Heating System Service Manual—Rev. B
12. Reinstall the bulk head fitting. Be sure to use a back up
wrench on the pump stand to ensure the pump is properly
positioned while tightening down the bulk head fitting.
13. Using a 3/4” and a 1 1/8 wrench tighten down the union.
14
. Reconnect the hose barb fitting and hose to the engine
preheat pump bulk head fitting.
15. Reconnect the wires on the replacement pump to the wire
harness on the heater by using a red butt connector. Be
sure to review the wiring schematic in appendix A for
proper pump wiring.
16. Remove the hose pinch off pliers previously used to pinch
off the hose.
17. Test for proper operation
NOTE:
The Aqua Hot Engine Preheat pump is not a self
priming pump. If the pump gets an air pocket, it will be
necessary to bleed the air out of the pump. To bleed the air
out of the engine preheat pump it may be necessary to turn
on the motor home’s engine and let it run for approximately
10 minutes.
S
ECTION
5: A
QUA
-H
OT
C
OMPONENTS
Bulkhead
fitting
Bulkhead
Fitting
Locking nut
Pump
Stand
Pump
Stand
Union
Pump
Figure 17
Summary of Contents for AHE-100-02S
Page 1: ...SERVICE MANUAL 2011 Aqua Hot Heating Systems Inc AHE 100 02S ...
Page 2: ... Page 2 2011 Aqua Hot AHE 100 02S Hydronic Heating System Service Manual Rev B ...
Page 104: ... Page 104 2011 Aqua Hot AHE 100 02S Hydronic Heating System Service Manual Rev B ...
Page 105: ... Page 105 2011 Aqua Hot AHE 100 02S Hydronic Heating System Service Manual Rev B ...