Cab combo workshop maintenance – Barranca Diamond CAB COMBO WORKSHOP User Manual

Page 24

DIAMOND WHEEL REPLACEMENT (continued)

Fig 48 - Shaft assembly removed from Cab

Combo Workshop

Fig 49 - Loosen the set screw that secures

the right-side bearing collar

SHAFT REASSEMBLY

Fig 50 - Diamond wheel shaft assembly (shown without diamond wheels and polishing drum)

Reassembly of the shaft with the new diamond wheels is the reverse of the disassembly instructions.

Please keep the following points in mind when reassembling:

1. Install diamond wheels with the inside faces facing each other (fig 51 & 52). Be sure the diamond

wheel bushings are installed (fig 50).

2. The bearings have a permanently mounted bushing that extend from one side of the center

bearing. This extension must face away from the diamond wheels (fig 53 & 54) on both ends of the

arbor shaft.

3. The arbor shaft collars have one recessed side and one flat side (fig 55 & 56). The recessed side

should face the bearing and mate against the extended portion of the bearing bushing.

4. There should be a flange installed on both sides of each diamond wheel and the expandable drum.

Make sure the concave side of the flange (fig 4) faces the wheels and drum.

5. When tightening the set screw in the right side bearing collar, stand the arbor shaft up on end

(blade end of the shaft on the floor) and push down with a light to medium pressure on the bearing

collar. This will provide enough compression between the shaft components so that the diamond

wheels and expandable drum do not become disengaged from the shaft during grinding and pol-

ishing operations.

1-1/4"

Spacer

1-5/16"

Spacer

3-5/16"

Spacer

Bearing

Collar

Wheel

Bushing

Wheel

Bushing

Drum

Bushing

Bearing

Flange

Bearing

Collar

Splash

Guard

CAB COMBO WORKSHOP

MAINTENANCE