Vaporizer/Regulator/Lock-Off Assembly
WARNING
Propane is extremely fl ammable and is heavier than air and
tends to settle in low areas where a spark or fl ame could
ignite gas. Do not start or operate this engine in a poorly
ventilated area where leaking gas could accumulate and
endanger safety of persons in area.
To ensure personal safety, installation and repair of propane
fuel supply systems must be performed only by qualifi ed
propane system technicians. Improperly installed and
maintained propane equipment could cause fuel supply
system or other components to malfunction, causing gas
leaks.
Observe federal, state and local laws governing propane
fuel, storage, and systems.
Explosive Fuel can cause fi res and severe
burns.
If a gaseous odor is detected, ventilate area
and contact an authorized service technician.
Remove Vaporizer/Regulator/Lock-Off
A
G
B
C
F
E
D
H
A
Vacuum Line
B
Vaporizer/Regulator
C
Inlet Fitting
D
Lock-Off Assembly
E
Propane Fuel Filter
F
Bracket
G
Outlet Fitting
H
Oetiker Clamp
1. Disconnect electrical plug from lock-off .
2. Disconnect vacuum line from front of vaporizer/
regulator.
3. Loosen nut on center back of vaporizer/regulator.
Keep all fuel lines connected, then lift up on
regulator so nut comes through key hole slot in
bracket, removing vaporizer/regulator from bracket
(keeping fuel lines, propane fuel fi lter assembled).
Separate parts only if additional service is required.
Do not cut Oetiker clamps unless fuel lines and/or
propane fuel fi lter are being replaced.
4. Remove screws securing regulator bracket to
crankcase.
Remove Throttle Body
1. On earlier engines with separate intake air
temperature (IAT) and MAP sensors, disconnect IAT
sensor from throttle body. Sensor can stay in throttle
body unless it is being replaced.
2. Disconnect breather tube from throttle body.
3. Disconnect throttle position sensor connector.
4. Disconnect vent hose from throttle body.
5. Remove screws securing air cleaner bracket, take
off bracket and slide throttle body (with linkage and
spring connected) off intake manifold.
Disassembly/Inspection and Service
65
24 690 31 Rev. D
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