ALTRACO ELECTRONIC DISC BRAKE CALIPER Specifikace stáhnout pdf (Strana 12)

8

Section 2

Removal and Disassembly

4. Remove the pistons from the side of the

housing opposite the mounting plate

according to the following procedure:

A. Use a C-clamp to hold a 0.50 inch (12.7

mm) block of wood against three pistons

on the mounting side of the housing. Make

sure the C-clamp is not in the area in front

of the piston bore. Figure 2.1.

WARNING

Do not put your hand in front of the pistons when

you force the pistons out of the housing. Serious

personal injury can occur.

B. Apply compressed air to the inlet fitting to

force the pistons out of the housing. If one

piston comes out before the other piston,

put a piece of wood in front of the piston

that comes out first.

C. Apply compressed air to force the other

piston out of the housing.

D. Remove the wood block and the C-clamp

from the housing.

E. Remove the pistons from the bores that are

opposite from the mounting plate.

5. Remove the two bleeder screws from the

housing.

6. Use the following procedures to remove the

cylinder caps from the housing. Figure 2.2.

!

7. Remove the pistons from the mounting plate

side of the housing. Push on the cap ends of

the pistons to force them out of the disc side of

the housing.

8. Remove the dust seals from the housing.

NOTE: Use a soft tool to prevent scratching the

housing and grooves.

9. Use a soft tool to remove the O-rings and

backup rings. Discard the parts. Figure 2.3.

10. Inspect the ring grooves in the housing for

scratches and rust. Use a fine emery cloth to

remove small scratches and rust.

• If scratches are deep, or there is a large

amount of rust: Replace the housing. Refer to

“Caliper” in Section 3.

Figure 2.3

O-RING

BACK-UP RING

0.442" DIA.

(11.23 mm)

2.000"

(50.80 mm)

Figure 2.2

HDB 640 Cylinder Cap Holes

C-CLAMP

PISTON

AIR GUN WOOD

BLOCK

Figure 2.1

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 24 25

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