JLG G5-18A Service Manual - Manual (Page 77)

6-3 G5-18A, 2505H, 25.5
Transmission
6.2 SAFETY INFORMATION
6.3 TRANSMISSION DESCRIPTION
Instructions in this section pertain mainly to general
specifications, towing, maintenance information, and
transmission removal and installation procedures. For
internal transmission service instructions and detailed
specifications contact an authorized Rexroth Repair
center.
More information can be obtained from the serial number
plate directly mounted on the transmission. Information
specified on the serial number plate includes the
transmission model number, the transmission serial
number and other data. Information on the serial number
plate is required in correspondence regarding the
transmission.
6.4 TRANSMISSION SPECIFICATIONS
6.4.1 Transmission Maintenance
The transmission is a hydraulic component and requires
the same maintenance as the hydraulic system. Refer to
Section 2.5, “Maintenance Schedule.”
Performance criteria is based on full throttle engine
speed unless otherwise specified or not applicable.
6.5 TRANSMISSION REPLACEMENT
Note: Contact the local JLG Dealer if internal
transmission repair is required during warranty period.
Cleanliness is of extreme importance. Before attempting
to remove the transmission, thoroughly clean the exterior
of the transmission to help prevent dirt from entering
during the replacement process. Avoid spraying water or
cleaning solution onto or near the transmission shift
solenoids and other electrical components.
6.5.1 Transmission Removal
1. Park machine on a hard, level surface.
2. Fully retract boom, lower boom, place transmission
control lever in (N) NEUTRAL.
3. Engage park brake and shut engine OFF.
4. Place a Do Not Operate Tag on both ignition key
switch and steering wheel.
5. Properly disconnect battery.
6. Open engine cover. Allow system fluids to cool.
7. Remove the air cleaner assembly.
8. Remove cooling system, Refer to Section 7.2,
“Engine Cooling System.”
9. Drain the hydraulic oil reservoir. Refer to Section
8.8.2, “Hydraulic Oil Reservoir Draining.”
10. Label, disconnect and cap all hydraulic hoses
attached to transmission and implement pump.
11. Cap all fittings and openings to keep dirt and debris
from entering hydraulic system.
12. Remove front fender support bar.
13. Label and disconnect all electrical connections
attached to transmission.
14. Wipe up any spilled hydraulic oil.
WARNING
DO NOT service the machine without following all
safety precautions as outlined in the “Safety Practices”
section of this manual.