Service Manual Owner's manual

SECTION 1 - SPECIFICATIONS
1-4 – JLG Lift – 3120797
1.7 CYLINDER SPECIFICATIONS
NOTE: All dimensions are given in inches (in), with the met-
ric equivalent, centimeters (cm), given in parenthe-
ses.
1.8 SERIAL NUMBER LOCATIONS
For machine identification, a serial number plate is affixed
to the machine. The plate is located on the back of the
mast, just above the mast support bracket.
Figure 1-1. Hydraulic Pressure Setting - Adjustment
Screw Located at Base of Pump Motor
(Remove Hex Head Cap as Shown)
PRESSURE
ADJUSTMENT
SCREW
ADJUSTMENT
SCREW CAP
Figure 1-2. Hydraulic Pressure Gauge Installation.
Table 1-5. Cylinder Specifications
DESCRIPTION
BORE
in./(cm)
STROKE
in./(cm)
ROD DIA.
in./(cm)
15VPSP -
Lift Cylinder
1.63
(4.14)
41.50
(105.41)
1.38
(3.50)
EXTEND
LINE
RETURN
LINE
PRESSURE
GAUGE
REPLACE ELBOW
WITH A T-FITTING
TO CONNECT
PRESSURE GAUGE
HERE