JLG 80HX_HX+6_HXER ANSI Service Manual - Manual (Page 14)

SECTION 1 - SPECIFICATIONS
1-2 – JLG Lift – 3120271
Engine - Ford LRG-423
Oil Capacity - 5 quarts (4.7 L).
Low RPM 1000
Mid RPM 1800
High RPM 3000
Horsepower - 66.
Engine - Ford LRG-425
Oil Capacity - 4.5 quarts (4.25 L).
Low RPM 1000
Mid RPM 1800
High RPM 3000
Horsepower - 75
Drive System
Pneumatic Tires - 15 x 19.5 NHS, 12 ply rating,
65 PSI. (4.5 Bar).
Foam-Filled Tires - 15 x 22.5 or 385/65R22.5
Air Pressure:
Firestone Tires - 95 PSI (6.5 Bar)
Goodyear Tires - 65 PSI (4.5 Bar)
Denman Tires - 70 PSI (4.8 Bar).
Drive Motor Displacement Machines Built Prior
to Jan. 1992
Cessna - 5.04 in.3/rev. (4WD Same)
Vickers - 2.5/.98 in.3/rev.
(4WD Same)
2 Speed Cessna - 2.48/1.103/rev.
Gear Reducer - Vickers Drive Motors only - 3.6:1.
Drive Motor Displacement Machines Built from
Jan. 1992 to Present
Rexroth - 2.8 in.3/rev.
(4WD Same)
Drive Hub Ratios
2WD with Racine proportional valves built prior to
February 1988 - 42.5:1.
2WD with Racine proportional valves built February 1988
to present - 43:1.
2WD with Racine or Vickers proportional valves built prior
to October 1989 - 30.04:1.
2WD/2WS with fixed or oscillating front axle built
May 1988 to present - 24:1.
2WD/4WS with oscillating front axle built May 1988
to present - 24:1.
4WD built May 1988 to present - 24:1.
2WD/4WS with fixed front axle/Vickers proportional
valves - 73:1.
4WD with Vickers Proportional valves - 30.04:1.
Steer System
Toe-in, adjust for 1/4 in. (6.35 mm) overall.
Swing System
Swing Motor - Displacement - 4.5 cu. in/Rev.
Swing Hub - Ratio - 69.50:1.
Swing Brake - Automatic spring applied, hydrau-
lically released disc brakes.
Hydraulic Pump
Deutz and Wisconsin engines with Single Speed Drive
Motors (with Racine Valves).
First Section to Proportional Valve-Drive, Lift, Swing -
24 GPM (91 LPM).
Second Section to High Drive - 24 GPM (91 LPM).
Third Section to Bang-Bang Valve Level, Telescope,
Steer, Rotate - 9.5 GPM (36 LPM).
Clockwise Rotation.
Wisconsin Engines with 2 Speed Drive Motors and Deutz
Engines with Single Speed Drive Motors (with Racine
Valves).
First Section to Proportional Valve-Drive, Lift, Swing -
19 GPM (72 LPM).
Second Section to High Drive - 19 GPM (72 LPM).
Third Section to Bang-Bang Valve Level, Telescope,
Steer, Rotate - 9.5 GPM (36 LPM).
Clockwise Rotation.