SECTION 1 - SPECIFICATIONS
3120791 – JLG Sizzor – 1-3
Lubrication Specifications
1.6 CYLINDER SPECIFICATIONS
NOTE: All dimensions are given in inches (in), with the met-
ric equivalent, centimeters (cm), given in parenthe-
ses.
1.7 PRESSURE SETTINGS
Main Relief - 2100 psi (145 bar)
Steer Relief - 1500 psi (103 bar)
Lift Up Relief - 2100 psi (145 bar)
Lift Down Relief - 900 psi (62 bar)
1.8 SERIAL NUMBER LOCATIONS
For machine identification, a serial number plate is affixed
to the machine. The plate is located on the rear center of
the machine frame, just below the middle step of the lad-
der. In addition, if the serial number plate is damaged or
missing, the machine serial number is stamped on the
right front frame rail, adjacent to the sizzor arms.
1.9 LIMIT SWITCHES
The machine is equipped with the following limit switches:
Tilt Alarm (Optional) - 5° - Illuminates a light on the plat-
form and sounds an alarm when the machine is 5° out of
level in any direction.
High Drive Cut-Out - High drive speed is cut out when the
platform is raised above the stowed position.
1.10 MAJOR COMPONENT WEIGHTS
1.11 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 1-2. Lubrication Specifications
KEY SPECIFICATIONS
MPG Multipurpose Grease having a minimum dripping
point of 350 degress F. Excellent water resistance
and adhesive qualities, and being of extreme pres-
sure type. (Timken OK 40 pounds minimum.)
EPGL Extreme Pressure Gear Lube (oil) meeting API ser-
vice classification GL-5 or MIL-Spec MIL-L-2105.
EO Engine (crankcase) Oil. Gas - API SF/SG class, MIL-
L-2104. Diesel - API CC/CD class, MIL-L-2104B/
MIL-L-2104C.
HO Hydraulic Oil. API service classification GL-3, e.g.
Mobil 424.
Table 1-3. Cylinder Specifications
Description Bore Stroke Rod Dia.
Lift Cylinder 4.00
(10.2)
39.75
(101.0)
2.50
(6.4)
Steer Cylinder
(DoubleRrod)
2.00
(5.1)
2.69
(6.83)
1.25
(3.18)
Table 1-4. Major Component Weights
Component lb kg
Platform 382 173
Manual Platform Extension 221 100
Arm Assembly (Includes Lift Cylinder) 1618 734
Chassis - w/Standard Tires 2979 1351
Table 1-5. Critical Stability Weights
Component lb kg
Tire and Wheel Assembly - Std (each) 50 23
Daihatsu Gasoline/LP Engine 132 60
Yanmar Diesel Engine 183 81
Dana Drive Axle 130 59
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