Wear Tolerances - Stanley MB156 User Manual

Hydraulic breaker
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NEW
LOWER BUSHING (ITEM 6)
1.770 in./45 mm
TOOL STOP (ITEM 7)
A) 1.770 in./45 mm Inside
Diameter
B) .47 in./12 mm Depth
RETAINER PIN (ITEM 9)
.995 in./25 mm Outside
Diameter
RETAINER PIN (ITEM 12)
.312 in./8 mm Outside
Diameter
PISTON (ITEM 20)
1.525 in./39 mm Depth

WEAR TOLERANCES

REJECT LIMIT
1.645 in./42 mm
A) 1.645 in./42 mm Inside
Diameter
B) .35 in./9 mm Depth
.91 in./23 mm Outside
Diameter
.242 in./6 mm
Outside Diameter
1.485 in./38 mm
FIGURE 14. LOWER BUSHING
Wear Areas
A
C
C=Measure at 1.2 in./30 mm
FIGURE 15. TOOL STOP
FIGURE 16. RETAINER PIN
Wear Limit
New Part
FIGURE 17. PISTON
B
MB156 User Manual ◄ 19

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