JLG G5-18A Service Manual - Manual (Page 72)

Axles, Drive Shafts, Wheels and Tires
5-12 G5-18A, 2505H, 25.5
5.9 TOWING A DISABLED MACHINE
Towing a disabled machine should only be attempted
after exhausting all other options. Make every effort to
repair the machine, and move it under its own power.
Towing is only possible by using the “towing” feature built
into hydrostatic pump and disengaging park brake on the
front axle.
• Maximum towing distance is 200 ft (60 m).
• Maximum towing speed is 5 mph (8 kmh).
• Maximum towing grade is 25%.
DO NOT attempt to tow a machine that is loaded or
boom/attachment is raised above 1,2 m (4 ft).
5.9.1 Equipment and Supplies Required
Auxiliary Hydraulic Power Supply:
• Portable hydraulic unit with capability of
producing 300 psi (20,7 bar) minimum
pressure to release park brake.
Hose:
• One Hydraulic Hose–Approximately 5 ft
(1,5 m), with a minimum I.D. of 0.25 in (6,3 mm)
and a minimum rating of 250 psi (17 bar).
Fittings:
• One 9/16-18 UNF (-6) ORFS Cap
• One 9/16-18 UNF (-6) ORFS Plug
Note: Machine axle fittings are 9/16–18 UNF (-6)
ORFS. The adaptor size may vary depending on the
hose end of the auxiliary hydraulic power supply.
WARNING
MACHINE HAS NO TOWING BRAKES. Towing
vehicle must be able to control machine at all times.
On highway towing is NOT permitted.
WARNING
BLOCK ALL FOUR WHEELS TO PREVENT
MACHINE FROM MACHINE ROLL AWAY. Failure
to follow instructions could cause death or serious
injury.
NOTICE
EQUIPMENT DAMAGE. Auxiliary Hydraulic Power
Supply hydraulic oil must be compatible with hydraulic
oil shown in Section 2.4, “Fluids, Lubricants and
Capacities.”