California Air Tools 3010 Service Manual download pdf (Page 226)

11-22 FINAL DRIVE

Bevel Gear Case (KAF620E/H)

(KAF620-E1/H1 ∼ E5/H3)

•

Set up a dial gauge [A] against one of the grooves in the

locknut [B].

•

To measure the backlash, turn the shaft clockwise and

counterclockwise while holding the drive bevel gear

steady. The difference between the highest and lowest

gauge readings is the amount of backlash.

Special Tool - Transmission Gear Holder [C]: 57001-1364

(KAF620E6F/H6F ∼)

•

Hold the driven gear shaft [A] with a vise.

○

Protect the driven gear shaft with aluminium plates [B].

•

Set up a dial gauge [C] against the middle point [D] of the

gear dog side [E].

○

The middle point is position at about 23.5 m m (0.925 in.)

[F] from center.

Gear Dog [G]

•

To measure the backlash, turn the shaft clockwise and

counterclockwise. The distance between the highest and

lowest gauge reading is the amount of backlash.

If the backlash is not within the limit, replace the shim(s)

at the drive and/or driven gear. To increase backlash, de-

crease the thickness of the shim(s). To decrease back-

lash, increase the thickness of the shim(s).

Change the thickness a little at a time.

•

Recheck the backlash, and readjust as necessary.

Bevel Gear Backlash

Standard:

(KAF620-E1/H1 ∼ E5/H3)

0.08 ∼ 0.18 mm (0.0031

∼ 0.0071 in.) (at housing

locknut groove)

Standard:

(KAF620E6F/H6F ∼ )

0.07 ∼ 0.15 mm (0.0028 ∼

0.0059 in.) (at drive g ear sha ft

dog)

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California Air Tools 3010 Service Manual Page 226

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