JLG 40RTS Service Manual - Manual (Page 60)

SECTION 2 - PROCEDURES
2-44 – JLG Sizzor – 3120826
11. Install case seal in housing, then install bleeder
screw in end cover.
12. Position end cover on housing, aligning dowel pins
with holes in end cover.
13. Install washer head cap screws and tighten evenly
to draw end cover to housing. Torque washer head
cap screws to 75 Nm (55 ft. lbs.).
NOTE: If available, a hydraulic press will simplify installation
of end cover on housing. Clamp cover in position
while tightening washer head cap screws.
14. If hydrostatic bench testing is done on brake assem-
bly, release pressure should not exceed 2000 psi
(138 bar) unless two additional bolts are used for
supplemental clamping.
2.27 SPARK ARRESTOR MUFFLER
The multiple discs on these mufflers will require frequent
cleaning if used with oily or sooty exhaust, such as a die-
sel engine, or on malfunctioning engines, as evidenced by
visible exhaust.
2.28 DUAL FUEL/LPG SYSTEM
IT IS POSSIBLE TO SWITCH FROM ONE FUEL SOURCE TO THE
OTHER WITHOUT ALLOWING THE ENGINE TO STOP. EXTREME
CARE MUST BE TAKEN AND THE FOLLOWING INSTRUCTIONS
MUST BE FOLLOWED.
Changing From Gasoline to LP Gas
1. Start engine from ground control station.
2. Open hand valve on LP gas supply tank by turning
valve counterclockwise.
BE SURE ALL GASOLINE IS EXHAUSTED BEFORE SWITCHING
TO LP GAS.
3. While engine is operating, place the three position
LPG/GASOLINE switch at ground control station to
center OFF position. Allow engine to operate, with-
out load, until engine begins to “stumble” from lack
of gasoline.
4. As engine begins to stumble, place switch to LPG
position, allowing LP fuel to be sent to the fuel regu-
lator.
Changing From LP Gas to Gasoline
1. With engine operating on LP under a no-load condi-
tion, throw LPG/GASOLINE switch at ground control
station to GASOLINE position.
2. If engine “stumbles” because of lack of gasoline,
place switch to LPG position until engine regains
smoothness, then return switch to GASOLINE posi-
tion.
3. Close hand valve on LP gas supply by turning clock-
wise.
Using Liquid Petroleum (LP) Gas
CLOSE FUEL VALVE ON TANK WHEN PARKING SIZZOR LIFT
MORE THAN MOMENTARILY.
WHEN REFUELING LPG POWERED SIZZOR LIFTS, ALWAYS FOL-
LOW MANUFACTURERS SPECIFICATIONS AND/OR APPLICABLE
REGULATIONS.
1. If machine is to be left overnight or longer, it must be
parked outside or the LPG tank removed and stored
outside.