SkyTrak 8042 Service Manual - Manual (Page 125)

6-3 6036, 6042, 8042, 10042, 10054
Transmission
6.2 TRANSMISSION SERIAL NUMBER
The transmission serial number plate (1) is located on the
pump side (front) of the transmission at the bottom right
toward the machine frame. Information on the serial
number plate is required in correspondence regarding the
transmission.
6.3 TRANSMISSION SPECIFICATIONS
AND MAINTENANCE INFORMATION
For transmission, oil specifications and maintenance
information, refer to Section 2, “General Information and
Specifications.”
Detailed transmission service instructions are provided in
the following publications:
• Service Manual - P/N 8990455
• Parts Manual - 6036 P/N 8990417
- 6042 P/N 8990467
- 8042,10042 & 10054 P/N 8990395
6.4 TRANSMISSION REPLACEMENT
Note: Contact your local JLG Service Department if
internal transmission repair is required during the
warranty period.
Note: 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.
6.4.1 Transmission Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, raise the boom,
place the transmission control lever in (N)
NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and steering wheel, stating that the machine
should not be operated.
3. Temporarily block up or support the boom.
4. Open the rear door. Allow the system fluids to cool.
5. Drain the hydraulic oil reservoir. Refer to Section
8.5.1, “Hydraulic Oil Reservoir Draining.”
6. Properly disconnect the battery.
7. Remove the transmission covers.
8. Thoroughly clean the transmission and surrounding
area, including all hoses and fittings, before
proceeding.
9. Place a suitable receptacle under the transmission
drain plug (1). Remove the transmission drain plug,
and allow the transmission oil to drain into the
receptacle.
WARNING
DO NOT service the machine without following all
safety precautions as outlined in Section 1, “Safety
Practices,” of this manual.
OH2381
1
WARNING
NEVER lift a transmission alone; enlist the help of at
least one assistant or use a suitable hoist or overhead
crane and sling with the minimum lifting capacity of
1000 lb (454 kg).
OH2381
1