Drive System; Hydraulic Pump/Electric Motor Assembly; Generator; Function Speeds - JLG E450A Service And Maintenance Manual

Electric boom lift
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SECTION 1 - SPECIFICATIONS
1.6

DRIVE SYSTEM

Table 1-6. Drive System
Drive Motor
48 VDC, 12.5 H.P . @ 3200 rpm. continuous,
Drive Brake
Spring-applied, hydraulically released
1.7

HYDRAULIC PUMP/ELECTRIC MOTOR

ASSEMBLY
Table 1-7. Hydraulic Pump/Electric Motor
Motor
Pump
0.098 in.[3]/rev. (1.6 cm[3]/rev.)
Pump Output
2.96 gpm (11.2 lpm) @ 3200 psi (222 Bar)
1.8

GENERATOR

Table 1-8. Generator
Alternator Output
RPM's under max. load
Start Battery
Engine Oil
Dynamo
Dynamo Output Fuse
Control Fuse
1-2
rotation - reversible
48 VDC, 2.14 H.P . @ 2700 rpm
58 volts @ 45 Amps
3100
12 volts
10W30 (Refer to
Engine Manual)
12 volt, 15 amp DC
20 amps DC
15 amps DC
1.9

FUNCTION SPEEDS

Table 1-9. Function Speeds
Main Lift Up
Main Lift Down
Turntable Swing Right & Left 360°
Telescope Out - E450AJ, M450AJ
Telescope Out - E450A, M450A
Telescope In - E450AJ, M450AJ
Telescope In - E450A, M450A
Platform Rotate - Right & Left 180° - E450AJ, M450AJ
Platform Rotate - Right & Left 180° - E450A, M450A
Jib Up
Jib Down
Lower Lift Up
Lower Lift Down
High Drive - Fwd.& Rev.
(200 ft.)
Drive above Horiz. (ANSI) - Fwd.& Rev.
(50 ft.)
Drive above Horiz. (CE) - Fwd.& Rev. E450AJ/
M450AJ
(50 ft.)
Drive above Horiz.(CE) - Fwd.& Rev. E450A/M450A
(50 f t.)
*Swing Left to Swing Right should be within 10% of each other.
**Swing Left to Swing Right should be within 15% of each other.
***Drive Forward to Drive Reverse should be within 10% of each other.
– JLG Lift –
Function
3.2 mph. (5.1 kph)
0.64 mph (1 kph)
0.32 mph (0.5 kph)
0 .48 mph. (0.8 kph)
Seconds
30-24
29-23
81-67*
12-9
18-14
19-15
28-23
20-24**
17-14**
25-26
24-25
33-27
26-22
42-44***
50-53***
107-112***
67-71***
4150273 N
3121127

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E450ajM450aM450aj

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