JLG ERT2669, Service And Maintenance Manual

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SECTION 3 - CHASSIS, PLATFORM, & SCISSOR ARMS
3-98 31215923
ALLOW ENGINE AND COMPONENTS TO COOL DOWN BEFORE SERVIC-
ING.
REMOVAL
1. Disable machine operation. Open engine cabinet
doors to get access to generator.
2. Disconnect and label electrical wires attached to
generator (1).
3. Remove the hardware securing generator belt cover
to generator mount to get access to generator pul-
ley.
4. Remove the hardware securing generator adjust
bracket (3) to generator mount (5).
5. Loosen the eye bolt rod to remove the belt tension.
6. Then remove hardware securing generator adjust
bracket (3) to generator (1)
7. Remove 2 bolts securing hydraulic pump to coupler
housing and slide hydraulic pump from splined con-
nection.
8. Remove the hardware securing generator (1) to gen-
erator mount (5). remove generator (1).
9. If necessary, remove generator mount (5) from the
machine by removing all hardware.
INSTALLATION
1. Follow Removal Steps in reverse. Ensure belt is tight
before securing generator with the bolts.
NOTE: Apply Medium Strength Threadlocking Compound
to the threads of the generator mounting bolts. Use
threaded eyebolt to adjust the belt tension to 167 lbs
(743 N)
NOTE: The generator control box is located on the side wall
of the engine cabinet.
The platform junction box is mounted under the
platform deck on the Hydraulic/Fuel Tank cabinet
side of the machine.
See Section 7, General Electrical Information & Sche-
matics.
Table 3-16. AC Generator Specifications
DESCRIPTION 2300 kw 60 Hz 2300 kw 50 Hz
Voltage 99-121 VAC 220 VAC (Unloaded)
238 VAC (Loaded)
Continuous 2185-2415 kw @ 60 Hz,
26.7 °C
2190 kw @ 50 Hz, 26.7 °C
Peak Speed 10,000 rpm
Rated Current 21.85-24.15 Amps @
110 VAC
9.15-9.25 Amps @ 238
VAC