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Spot Color PMS 293
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100-56-0-0
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4 color 100-56-0-0
Turbo
Lube Hub
Owners Manual
TIE DOWN ENGINEERING, Inc.
255 Villanova Drive SW, Atlanta, GA 30336
(404) 344-0000 • Fax (404) 349-0401
© 2007 TIE DOWN INC. ALL RIGHTS RESERVED
Instruction Sheet #08078
www.tiedown.com
062708,c753
Turbo Lube Hubs
Oil Bath Lubrication
Simple is best. Especially when it comes to wheel bearing maintenance. That’s
why Tie Down has developed Turbo Lube, the hub bearing lubrication system that
provides continuous protection.
Turbo Lube oil bath lubricating system rotates individual roller bearings over four
times through oil for each wheel revolution keeping your hub and bearings cooler,
reducing wear and friction, and actually increasing tow vehicle mileage. The unique
see through threaded oil cap assures a leak proof seal and let’s you know if your
bearings have adequate lubrication for the next long run.
The Turbo Lube system provides extended bearing life by thoroughly distributing oil
and eliminates the need to disassemble the hubs and repack the wheel bearings.
Simply put, that means peace of mind for you.
As your speed increases, the oil inside the Turbo Lube Hub uses the
centrifugal force to completely lubricate all the bearings.
2
Turbo Lube Hub Caps
“Hub Fill”
If you have this model follow the
instructions for the “Top Fill” on
pages 4 & 5.
“Top Fill”
If you have this model follow the
instructions on pages 4 & 5
“Front Fill”
If you have this model follow the
instructions on pages 6 & 7
3
Turbo Lube Hub (Top Fill/Hub Fill) Bearing Lubrication/Maintenance
1. Remove oil filling plug from Turbo Lube Cap/Hub. Add oil into the Turbo Lube Hub.
2. Add oil (2.5 - 3 oz.) until oil level is appropriately half full on the see through oil
cap (up to MAX FILL line). Some time should be given to allow oil to pass through
the bearings and level off. DO NOT OVER FILL.
3. Replace oil filling plug.
4. Check oil level. Add oil if necessary (repeating step 1,2 & 3) to maximum fill level
on the see-through oil cap. DO NOT OVER FILL.
5. Mount tire/wheel.
6. Check oil level in the Turbo Lube Hub before each trip. Add oil if required to
“MAX FILL” line on cap.
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.
Materials needed: 50w Oil (min.) 90 Weight Gear (max.) Oil Recommend.
50w synthetic is preferred, any quality brand oil is OK.
Transparent Oil Cap,
view current oil level
4
50 WT.
Oil
Fill Level
Proper Fill Level
Turbo Lube Hub (Top Fill) Installation/Replacement Instructions
Fill Level
Apply Here
Apply Here
Stainless Steel
Wear Sleeve
Transparent Oil Cap,
view current oil level
Seal
Bearing
Bearing
Cups
Spindle
Nut
Cotter
Pin*
Flange
Lock*
Thurst
Washer
1. Remove wheel from hub.
2. Remove hub dust cap, cotter key or flange washer, spindle nut and thrust washer.
3. Remove old hub from spindle.
4. Wipe spindle clean, check for any noticeable wear or rust.
NOTE: Excessively worn seal surface can allow moisture to enter the hub
5. Assemble new hub. Set bearings as shown, if not already pre-assembled.
6. Place a thin coating of oil or grease on spindle surface. Mount Turbo Lube Hub.
7. Tighten the spindle nut with a 1/2 inch torque wrench to approximately 40 ft. lbs.
Turn wheel in both directions to confirm wheel turns freely.
8. Turn back spindle nut 1/6 turn maximum to the nearest cotter key or flange washer
locking position. Wheel should turn smoothly with no end play or wobble.
9. Place the Turbo Lube O-ring over the threaded portion of the Turbo cap.
10. Install oil cap, turn clockwise, snug by hand and then turn 1/4 additional turn.
Do not over tighten. See back diagram.
Oil Plug
Turbo
Lube
Cotter
Pin*
Flange
Lock*
Cap
O-Ring
Spindle
Nut
* Hub kit contains either
cotter pin or flange lock
O-Rings
Bearing
Thurst
Washer
Seal
Bearing
Cups
Hand tighten cap until snug. Use wrench to
turn an addition 1/4 turn. Check to make sure
that the O-rings are seated properly. Be
careful not to over tighten. Check oil level,
fill if necessary. Tighten oil plug cap.
5
Turbo Lube Hub (Front Fill) Bearing Lubrication/Maintenance
1. Remove oil filling plug from Turbo Lube Cap. Add oil into the Turbo Lube Hub.
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. Mount tire/wheel.
6. Check oil level in the Turbo Lube Hub before each trip. Add oil if required to the
bottom of the filler hole on cap.
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.
Materials needed: 50w Oil (min.) 90 Weight Gear (max.) Oil Recommend.
50w synthetic is preferred, any quality brand oil is OK.
Oil filling plug, no
need to remove cap
Oil Cap, View
current oil level
6
Fill Level - Bottom of file hole
Triple lip, spring
loaded oil seal
Completely sealed oil
reservoir chamber permits
maximum lubrication
Turbo Lube Hub (Front Fill) Installation/Replacement Instructions
pin or flange lock
Seal
Bearing
Bearing
Cups
Flange
Lock*
Thrust
Washer
Oil Cap, View
current oil level
Oil filling plug, no
need to remove cap
Stainless Steel
Wear Sleeve
1. Remove wheel from hub.
2. Remove hub dust cap, cotter key or flange washer, spindle nut and thrust washer.
3. Remove old hub from spindle.
4. Assemble new hub. Set bearings as shown, if not already pre assembled.
5. Wipe spindle clean, check for any noticeable wear or rust.
6. Place a thin coating of oil or grease on spindle surface.
7. Mount Turbo Lube Hub.
8. Tighten the spindle nut with a 1/2 inch torque wrench to approximately 40 ft. lbs.
Turn wheel in both directions to confirm wheel turns freely.
9. Turn back spindle nut 1/6 turn maximum to the nearest cotter key or flange
washer locking position. Wheel should turn smoothly with no end play or wobble.
10. Install oil cap, turn clockwise, snug by hand and then turn 1/4 additional turn.
Do not over tighten. See back diagram.
Cotter
Oil Plug
Pin*
Flange
Lock*
Turbo
Lube
Cap
O-Ring
* Hub kit contains either cotter
Spindle
Nut
O-Ring
Bearing
Thrust
Washer
Bearing
Cups
Hand tighten cap until snug. Use wrench to
turn an addition 1/4 turn. Check to make
sure the O-ring is seated properly. Be careful
not to over tighten. Check oil level, fill if
necessary. Tighten oil plug cap.
Seal
7
Fill Level - Bottom of file hole
Oil Cap, View
current oil level
Oil filling plug, no
need to remove cap
Triple lip, spring
loaded oil seal
Completely sealed oil
reservoir chamber permits
maximum lubrication
Stainless Steel Wear Sleeve Instructions
NOTE: If you have stainless steel wear sleeves, use the following instructions:
When installing turbo lube hubs on an existing axle that has stainless steel wear
sleeves, apply a high temperature silicone sealant like “RTV” (NOT INCLUDED) to the
inside and outside area where the seal meets the spindle surface. Allow sealant to
fully “CURE” before assembly. This must be done to prevent potential oil leakage under
the wear sleeve.
Apply Here
Spindle
Stainless Steel
Wear Sleeve
Apply Here
TIE DOWN ENGINEERING, Inc.
255 Villanova Drive SW, Atlanta, GA 30336
www.tiedown.com
(404) 344-0000 • Fax (404) 349-0401
© 2008 TIE DOWN ENGINEERING, ALL RIGHTS RESERVED
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