SECTION 3 - CHASSIS & SCISSOR ARMS
3-66
– JLG Sizzor –
3121133
3.13 GM ENGINE FUEL SYSTEM REPAIR
Propane Fuel System Pressure Relief
THE PROPANE FUEL SYSTEM OPERATES AT PRESSURES UP TO
312 PSI (21.5 BAR). TO MINIMIZE THE RISK OF FIRE AND PER-
SONAL INJURY, RELIEVE THE PROPANE FUEL SYSTEM PRES-
S U R E ( W H E R E A P P L I C A B L E ) B E F O R E S E R V I C I N G T H E
PROPANE FUEL SYSTEM COMPONENTS.
To relieve propane fuel system pressure:
1.
Close the manual shut-off valve on the propane fuel
tank.
2.
Start and run the vehicle until the engine stalls.
3.
Turn the ignition switch OFF.
NOTICE
RESIDUAL VAPOR PRESSURE WILL BE PRESENT IN THE FUEL
SYSTEM. ENSURE THE WORK AREA IS WELL VENTILATED
BEFORE DISCONNECTING ANY FUEL LINE.
Propane Fuel System Leak Test
NEVER USE AN OPEN FLAME OF ANY TYPE TO CHECK FOR
PROPANE FUEL SYSTEM LEAKS.
Always inspect the propane fuel system for leaks after per-
forming service. Check for leaks at the fittings of the ser-
viced or replaced component. Use a commercially
available liquid leak detector or an electronic leak detec-
tor. When using both methods, use the electronic leak
detector first to avoid contamination by the liquid leak
detector.
Propane Fuel Filter Replacement
REMOVAL
1.
Relieve the propane fuel system pressure. Refer to
Propane Fuel System Pressure Relief.
2.
Disconnect the negative battery cable.
3.
Slowly loosen the Filter housing retaining bolt and
remove it.
4.
Pull the filter housing from the Electric lock off
assembly.
5.
Locate Filter magnet and remove it.
6.
Remove the filter from the housing.
7.
Remove and discard the housing seal.
8.
Remove and discard the retaining bolt seal.
9.
Remove and discard mounting plate to lock off O-
ring seal.
INSTALLATION
NOTICE
BE SURE TO REINSTALL THE FILTER MAGNET INTO THE HOUS-
ING BEFORE INSTALLING NEW SEAL.
1.
Install the mounting plate to lock off O-ring seal.
2.
Install the retaining bolt seal.
3.
Install the housing seal.
1. Electric Lock Off Solenoid
2. Mounting Plate
3. Housing Seal
4. Filter Magnet
5. Filter Housing
6. Seal
7. Electrical Connector
8. Fuel Outlet
9. O-ring
10. Filter
11. Fuel Inlet
12. Retaining Bolt
Figure 3-37. Filter Lock Assembly
Property of American Airlines
Содержание 3394RT
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