04/20/04
HydraMaster Corporation
Page 8-2: Engine Troubleshooting
Boxxer H
2
O
2.1.
The spark plugs are faulty
. Remove and inspect. Replace as necessary.
2.2.
The engine ignition system is malfunctioning
. Refer to a qualified engine service
technician for inspection.
3.0. Turns over but will not start. There is spark
.
3.1
.
Fuel is not reaching the carburetor inlet
. Check the fuel pump. If the pump is
working, inspect the fuel lines between the fuel source and the carburetor. Repair or
replace any faulty parts as necessary.
3.1.1. If the pump
is not
working, check for 12 volts and a ground at the pump.
3.1.2. If 12 volts
is not
present at the pump, check the wiring to the pump, including the fuse.
Repair or replace as necessary. Note: If the fuse has blown, carefully inspect the wiring
for a shorted or damaged wire. Repair immediately.
3.1.3. If 12 volts
is
present at the pump and the ground is good, replace the pump.
3.2.
Recovery tank is full.
Empty the tank.
3.3.
Recovery tank float is defective
. Disconnect float. If engine starts, replace the float.
3.4.
The carb solenoid is malfunctioning
. Test for 12 volts and proper ground at solenoid.
If both test okay, replace the solenoid.
3.5
.
The engine is flooded
. Wait for a few minutes and attempt to start with the choke
open.
Note:
If the engine has been flooded, it may be necessary to remove and clean
the spark plugs.
3.6.
The spark plugs are dirty or worn
. Inspect and replace as necessary.
3.7.
There is a mechanical problem with the engine
. Have engine inspected by a
qualified engine service technician.
4.0. Will not come up to normal operating RPM
4.1.
Throttle linkage is out of adjustment
. Inspect for broken or loose linkage. Repair or
replace as necessary and adjust to proper RPM. Note: It is important to use an
accurate tachometer to adjust engine speed to 3000 RPM while it is under a vacuum
load of between 10"hg and 14"hg. Too high or too low will cause severe damage to
machine components.
