JLG 2658E3 Service Manual - Manual (Page 11)

SECTION 1 - SPECIFICATIONS
3120878 – JLG Lift – 1-5
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 PRESSURE SETTINGS
Main Relief - 3000 psi + 50/- 0 psi (207 bar + 3.4/ - 0 bar).
Steer Relief - 2100 psi (145 bar).
Lift Up Relief
1532E3 - 112 bar (1625 psi)
1932E3 - 138 bar (2000 psi)
2033E3 - 105 bar (1525 psi)
2046E3 - 124 bar (1800 psi)
2646E3 - 124 bar (1800 psi)
2658E3 - 145 bar (2100 psi)
Powered Deck Extension Relief (If Equipped)
207 bar (3000 psi).
1.9 LIMIT SWITCHES
The machines are equipped with the following limit
switches:
Tilt Alarm (optional 1-1/2° or 2°)
Illuminates a light on the platform and sounds an alarm
when the machine is 1-1/2° or 2°, depending on which tilt
the machine is equipped with, 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.
Drive Cut-Out (Models 2033E3, 2046E3,
2646E3, and 2658E3 with Powered Deck
Extension)
On these machines, the Drive function is cut out when the
powered deck extension is extended with the platform
raised above the stowed position.
Electronic Armguard Switch
Lift down is cut out when the gap between the arms is in
the range of 13 cm to 20 cm (5 in to 8 in). This will cut out
lift down and sound the platform alarm for 1/2 second on,
1/2 second off, and repeat this for three seconds. After
three seconds the operator must re-select the lift function
and continue lifting down.
Temperature Switch
This switch prevents the high drive function from engag-
ing when the oil temperature is very cold. The machine will
remain in low drive until the oil has warmed and will then
automatically move up to high drive.
1.10 CRITICAL STABILITY WEIGHTS
Table 1-6. Cylinder Specifications
DESCRIPTION BORE STROKE ROD DIA
Lift Cylinder (1532E3/
1932E3)
3.00
(7.6)
30.38
(77.2)
2.00
(5.1)
Lift Cylinder (2033E3/
2046E3)
3.50
(8.9)
48.19
(122.40)
2.00
(5.1)
Lift Cylinder (2646E3/
2658E3)
4.00
(10.2)
48.44
(123.0)
2.50
(6.4)
Steer Cylinder - All Mod-
els
1.50
(3.8)
6.35
(15.9)
0.75
(1.9)
Parking Brake Cylinder -
All Models
2.00
(5.1)
1.75
(4.4)
1.00
(2.5)
Table 1-7. Critical Stability Weights
Component 1532E3/1932E3
2033E3/2046E3/
2646E3/2658E3
Tires-Solid (each) 24 lb
(11 kg)
31 lb
(14 kg)
Tires-Solid-Non-
Marking (each) 24 lb
(11 kg)
30 lb
(14 kg)
Motor/Pump
Assembly 41 lb
(19 kg)
41 lb
(19 kg)
Batteries - Stan-
dard. (each) 63 lb
(21 kg)
63 lb
(21 kg)
Batteries - Stan-
dard (combined) 252 lb
(114 kg)
252 lb
(114 kg)