SkyTrak 8042 Service Manual - Manual (Page 310)

6.5 Model 8042, 10042, 10054 Legacy Rev. 10/03
Transmission: ZF 4 WG-98 TC
6.6.2 Transmission Maintenance Schedule
Complete transmission maintenance information is
located in the appropriate owners/operators manual.
• At ten hour intervals, check the transmission oil
level. Refer to the appropriate owners/operators
manual.
• When the vehicle completes its first 50 hours of
use, change the transmission filter. Change the
filter only; DO NOT change the transmission oil
at the first 50 hour maintenance level. Refer to
the appropriate owners/operators manual.
• At 1,000 hour intervals, change the transmission
oil and filter. Refer to the appropriate owners/
operators manual.
Periodically, depending on operating conditions and
other factors, back flush the transmission oil cooler (3),
which is located in or behind the radiator. ALWAYS back
flush the transmission oil cooler after removing the
transmission for repair or replacement.
The transmission oil cooler outlet hose (4), routed to the
lower oil cooler fitting, is located on the top of the
transmission. The transmission oil cooler inlet hose (5),
routed to the upper oil cooler fitting, is located on the top
of the transmission. (Refer to Section 7A.6.3, “Radiator/
Oil Cooler and Coolant Heater Replacement,” and
Section 7B.6.4, “Radiator/Hydraulic and Transmission
Cooler Replacement.”
Disconnect and back flush the oil cooler portion of the
radiator or the oil cooler (located behind the radiator) with
oil and compressed air until all foreign material is
removed. If necessary, remove the radiator or oil cooler
from the vehicle, and clean the oil cooler circuit using oil,
compressed air and steam.
IMPORTANT: DO NOT use flushing compounds for
cleaning purposes.
OH19702
~ ~
1 2
CAUTION:
DO NOT exceed 165 psi
(39.6 bar) when back flushing the oil cooler.
Applying too much pressure may damage the
oil cooler/radiator.
MA8951
Front
3
4
5
8042 S/N 13198 thru 18990
10042 S/N 13198 thru 19030
10054 S/N 13198 thru 19079
8042 S/N 18991 & After
10042 S/N 19031 & After
10054 S/N 19080 & After
MH4490
3
5
4