TM 5-3805-281-24-2
Hydraulic Impact Breaker
33
7. Remove guiding plug ("Power Valve") with wrench, as
65
per the Torque Specifications.
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8. Insert necessary number of adjustment shims inside
guiding plug, underneath spring, to obtain pressure
required. Each 1 mm shim inserted increases pressure
level approximately 5 bars (73 psi). The maximum
allowed number of shims is eight.
9. Replace spring in guiding plug and reassemble,
tightening firmly.
10. To REDUCE hammer pressure level, perform
procedure, REMOVING adjustment shims.
Continued on next page
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