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

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