JLG 450A_AJ Series II Service Manual - Manual (Page 28)

SECTION 1 - SPECIFICATIONS
1-12 – JLG Lift – 3121259
1.13 PROPANE FUEL FILTER REPLACEMENT
Removal
1. Relieve propane fuel system pressure. Refer to 1.14
Propane Fuel System Pressure Relief.
2. Disconnect negative battery cable. Slowly loosen
and remove filter housing.
3. Pull filter housing from electric lock off assembly.
4. Remove filter from housing.
5. Locate filter magnet and remove it.
6. Remove and discard housing seal.
7. If equipped, remove and discard retaining bolt seal.
8. Remove and discard mounting plate to lock off O-ring
seal.
Installation
NOTE: NOTE: Reinstall filter magnet in housing before
installing new seal.
1. Install mounting plate to lock off O-ring seal.
2. If equipped, install retaining bolt seal.
3. Install housing seal.
4. Drop magnet into bottom of filter housing.
5. Install filter into housing.
6. If equipped, install retaining bolt in filter housing.
7. Install filter to bottom electric lock off.
8. Tighten filter bowl retainer to 106 in-lb (12 Nm).
9. Open manual shut-off valve. Start vehicle and leak
check propane fuel system at each serviced fitting.
Refer to Propane Fuel System Leak Test.
1.14 PROPANE SYSTEM PRESSURE RELIEF
PROPANE FUEL SYSTEM OPERATES AT PRESSURES UP TO 312 PSI
(21.5 BAR). RELIEVE PROPANE FUEL SYSTEM PRESSURE (WHERE
APPLICABLE) BEFORE SERVICING PROPANE FUEL SYSTEM COM-
PONENTS TO MINIMIZE RISK OF FIRE AND PERSONAL INJURY.
1. Close manual shut-off valve on propane fuel tank.
2. Start and run vehicle until engine stalls.
3. Turn ignition switch OFF.
RESIDUAL VAPOR PRESSURE IS PRESENT IN FUEL SYSTEM. ENSURE
WORK AREA IS WELL VENTILATED BEFORE DISCONNECTING ANY
FUEL LINE.
1 1
2 13
3 3
4 4
5 5
6
7 7
8 8
9 9
OR
10 10
11
11
12
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
13. Ring
Figure 1-3. Filter Lock Assembly