Oshkosh Corporation JLG 260MRT, Service Maintenance Manual

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SECTION 1 - SPECIFICATIONS
3121801 – JLG Lift – 1-3
1.6 CYLINDER SPECIFICATIONS
1.7 PRESSURE SETTINGS
1.8 LIMIT SWITCHES
The machine is equipped with the following limit switches:
Tilt Alarm - Illuminates a light on the platform and sounds
an alarm when the machine is 3° out of level side to side
or 5° fore and aft.
Platform Overload - When platform becomes overloaded,
the LED on the platform controller illuminates and the lift
up and drive functions are cut out. Platform is overloaded
with 652 kg (1437.5 lbs).
High Drive Cut-Out - High drive speed is cut out when the
platform is raised above the stowed position.
Max Drive Height - The drive function is cut out when the
platform is raised by 2.3 - 2.4 m (7.5 - 8 ft).
1.9 MAJOR COMPONENT WEIGHTS
1.10 CRITICAL STABILITY WEIGHTS
DO NOT REPLACE ITEMS CRITICAL TO STABILITY, SUCH AS
ENGINES, AXLES OR TIRES, WITH ITEMS OF DIFFERENT
WEIGHT OR SPECIFICATION. DO NOT MODIFY UNIT IN ANY WAY
TO AFFECT STABILITY.
Table 1-10. Cylinder Specifications
Description Bore Stroke Rod Dia.
Lift Cylinder
10.2 cm
(4 in.)
119.4 cm
(47 in.)
6.4 cm
(2.5 in.)
Steer Cylinder
5.1 cm
(2 in.)
20 cm
(7.84 in.)
2.8 cm
(1.12 in.)
Table 1-11. Pressure Settings
Main Relief (±3.4 bar/50 psi) 227.5 bar (3300 psi)
Steer Relief - Left 158.8 bar (2300 psi)
Steer Relief - Right 117.2 bar (1700 psi)
Lift Up Relief 158.8 bar (2300 psi)
Leveling Jack Relief 207 bar (2500 psi)
Table 1-12. Major Component Weights
Component Weight
Platform
295 kg
(650 lbs)
Platform and Extension
454 kg
(1000 lbs)
Manual Platform Extension
159 kg
(350 lbs)
Arm Assembly (Includes Lift Cylinder)
925 kg
(2040 lbs)
Chassis - w/Standard Tires
1869 kg
(4120 lbs)
Table 1-13. Critical Stability Weights
Component Weight
Tire and Wheel Assembly - Std (each)
23 kg
(50 lbs)
Tire and Wheel Assembly - FF (each)
69 kg
(152 lbs)
Kubota Gas/DF Engine (Dry)
61.7 kg
(136 lbs)
Kubota Diesel Engine (Dry)
42 kg
(93 lbs)