hammer drill dh 30pc/dh 30pb

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hammer drill dh 30pc/dh 30pb | Manualzz

7-4. O-Ring Replacement

The O-rings (mounted on the striker and the piston) are extremely important to ensure adequate sealing of the air pressure. Although the o-rings are made of special rubber to give them a long service life, they do nonetheless become worn, and should be replaced with new ones periodically depending on frequency of use of the tool. With average use, it is recommended that the o-ring be replaced at least every six months to ensure maximum effectiveness.

8. REFERENCE INFORMATION

Structure:

Retainer sleeve (A)

Retainer sleeve (B)

Cylinder

Second hammer Striker

O-ring

Third gear

Key

Piston

Connecting rod

Crank shaft

Key rails

Needle

Steel ball

Air chamber

Clutch (B)

Second gear

Third pinion

Armature

Clutch (A)

First gear

(a) DH 30PC

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