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Figure S18: Turbo Lube Hub - Front Fill Model
Turbo Lube Hub Bearing Lubrication System Mainte-
nance for Front Fill models:
1. Remove oil filling plug from Turbo Lube cap. Add
oil into the Turbo Lube hub. See Figure S19.
Figure S19: Turbo Lube Oil Fill Diagram
2. Add oil until oil level is just below the filler hole.
Some time should be given to allow oil to pass
through the bearings and level off.
3. Replace oil filling plug.
4. Check oil level. Add oil if necessary (repeating
step 1, 2 & 3).
5. Check oil level in the Turbo Lube Hub before each
trip. Add oil if required to the bottom of the filler
hole on cap.
Trailer Information - Section S
Note: The recommended oil change period is 50,000
miles or every two years. When changing or adding
oil, the recommended oil is a 50w synthetic prefer-
ably and any quality brand oil is acceptable. The
acceptable oil weight range that may be used is 50w
Oil (minimum to 90 Weight Gear (maximum).
Note: It is normal for the oil to change color after a
few miles of use. Even a small amount of moisture
condensation can cause the oil to turn milky.
NOTICE
Most bearing failures are due to improper
maintenance. Be sure to inspect bear ings and
seals as noted in Section S-6B and refer to
the manufacturer's literature included with
your trailer.
S - 6
AXLE INSPECTION & REPAIRS
As a general rule, repairs and mainte nance should be
performed by qualified servicing personnel. Our axle
manufacturer recommends that a certified mechanic
should be consulted on the following items:
1. Broken axle
2. Broken spring
3. Worn spring eye bushing parts
4. Sagging springs
5. Welding fatigue
6. Serious leakage of seal
7. Tire wear
8. Loose or worn suspension parts
9. All brake related adjustments, inspections and
problems
A. Removal of Hub
The following instructions pertain only to trailers
manufactured by Four Winns. To remove the hub to
inspect the bearings and seals, refer to Figure S20
and the following instructions:
Figure S20: Axle Components
Owner's Manual Page 145
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