Miller Electric 3000-4AH manual Torquing Wheel Bearings, Falling Equipment can cause

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Turn nut until “just loose.”
Torque wheel bearings whenever hub nut is removed or hub is too loose.
Repack bearings according to Section 3-7.
Tools Needed:

3-8. Torquing Wheel Bearings

WARNING

FALLING EQUIPMENT can cause

INCORRECT BEARING MAINTENANCE

serious personal injury and equipment

can cause loss of control resulting in

damage.

serious injury and equipment damage.

Use equipment of adequate capacity to lift unit.

Check and repack wheel bearings once a year or

Do not put any body part under unit while lifting or

every 12,000 miles (19,500 km), whichever comes

 

working on bearings.

first.

rwarn1.1* 2/94

0.01in (0.2 mm) endplay maximum

Check hub endplay. If loose,

Remove cap and cotter pin.

13/16, 1-1/8 in

remove wheel and go to next step.

 

 

Torque to 12 ft lb (16 N·m)

Torque nut while turning hub forward.

Do not loosen nut more than 1/6 turn in this step.

13/16, 1-1/8 in

Pin must not rub on cap.

Loosen nut further until first slot

Install new cotter pin and bend ends around nut. Install cap.

in nut aligns with hole in spindle.

Install wheel (See Trailer Towing Safety Precautions) and

 

recheck endplay.

 

Ref. ST-800 441-A

Figure 3-9. Torquing Wheel Bearings

OM-659 Page 9

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Contents Description OM-659From Miller to You Trailer Towing Safety Precautions Trailer Towing can be hazardousOverloading can cause serious injury or equipment damage Incorrectly Working Lights can cause accidents Unexpected Tilting of Trailer can cause injury and damageTable of Contents Page Safety Information SpecificationsTrailer Operating Parking Brake And Jack Installation & OperationInstalling Fenders And Lights Installing Fenders And LightsInstalling Wiring Harness Connectors Installing Optional Tool BoxHealth or kill Tilting of Trailer can resultPersonal injury or equipment damage Installing Hitch And Connecting To Towing Vehicle Installing Welding Generator Installing Welding GeneratorBlock wheels when adjusting parking brake MaintenanceFalling Equipment can cause Torquing Wheel BearingsComplete Assembly Parts ListPart Description Quantity Optional Support ServiceMiller Electric Mfg. Co Owner’s Record