Cub Cadet SLTX1000 Series - Manual (Page 248)

310-0510 IHT 10
FLUID CHANGE
FLUID CHANGE PROCEDURE
This transaxle is factory filled, sealed and does
not require oil maintenance. However, in the
event of oil contamination or degradation, oil
addition or change may alleviate certain per-
formance problems.
1. Remove the transaxle from the vehicle.
2. Clean the expansion tank and oil fill port
areas of any debris.
3. Remove the oil fill port fitting.
4. Position the transaxle so the oil will drain
completely out of the housing.
5. After all the oil is drained from the transaxle,
remove the expansion tank by removing the
self tapping bolt (10-32 x ½) that holds the
tank support bracket.
6. Remove the tank and drain the oil from the
tank. DO NOT remove the vent cap from the
tank. DO NOT remove the tank hose or
o-ring unless a replacement is needed.
7. Install the tank by first inserting the hose
into the opening in the expansion tank.
Push the tank opening over the o-ring to en-
sure a proper seal.
8. Install the tank support bracket and self tap-
ping bolt making sure not to cross thread
the bolt. Torque the bolt to the lower value
of the torque specification listed in Table 5.
9. Fill the transaxle at the oil fill port according
to Figure 4.
10. Install the oil fill port fitting.
EXPANSION TANK FUNCTION
The expansion tank allows the 310-0510 to
operate free of air entrainment and provides
maximum lubrication to the mechanical and
hydraulic components in the transaxle.
As the 310-0510 transaxle is operated, oil in
the transaxle housing heats up which causes
the oil to expand. The oil flows through an
internal hose to the bottom of the vented
expansion tank. As the oil cools, the oil in the
transaxle housing contracts, causing the oil
level to go down in the housing. This creates a
negative pressure in the housing causing the
oil to be drawn back into the case. This keeps
the transaxle housing full of oil at specified
operating temperatures.
Fluid Description Volume
20W-50 engine oil 79 fl. oz. (2336 ml.)
Table 3. Fluid Volumes for the 310-0510 IHT
Figure 4. 310-0510 Fluid Level and Fill Port
FILL PORT
OIL LEVEL
1¼" (31.75mm) Max. Depth
at 50°- 100° F (10°- 38° C)