Epiroc MB Series User Manual

Safety and operating instructions
© Construction Tools GmbH | 3390 5201 01 | 2023-05-15
Original Instructions
43
n
Check the shaft of the working tool for wear when-
ever replacing it, but at least once every 100operat-
ing hours.
n
Replace the working tool if the shaft has worn to the
minimum diameter D
min
stated below.
Type D
min
MB750 E 97 mm (3.82in.)
MB1000 E 106 mm (4.17in.)
MB1200 E 116 mm (4.57in.)
MB1500 E 131 mm (5.16in.)
MB1650 E 137 mm (5.39in.)
7.7 Checking the retainer bars
n
Check both retainer bars whenever replacing working
tools.
n
Rework or replace the retainer bars if you find any
signs of wear, such as sharp edges, notches or se-
vere erosion.
n
Deburr the retainer bars by careful grinding.
n
Install the retainer bars in their reversed orientation if
they cannot be reworked anymore.
n
Replace the retainer bars if both sides cannot be re-
worked anymore.
n
Check both plugs for the retainer bars.
The plugs must not be damaged.
7.8 Checking the percussion
piston impact surface
n
Check the percussion piston impact surface when-
ever replacing the working tool, but at least once ev-
ery 100operating hours to make sure it is not
chipped and has no visible cracks.
n
Use an electric torch to illuminate the surface of the
dismantled working tool.
n
Do not use the hydraulic breaker again if you have
found the surface to be chipped or cracked.
n
Consult the Epiroc Customer Center / Dealer in your
area.

Epiroc MB Series Specifications

General

Brand	Epiroc
Model	MB Series
Category	Industrial Equipment
Language	English