75
3-3.
INSPECTION OF RETAINER PINS
⚫
Check the wear of the Retainer pin at an early time every 100 hours or every
month.
1.
For removing the
retainer pin
, refer to the chapter of “REMOVING THE CHISEL”
2.
Replace Retainer Pins (3) if any damages or
heavy wear is found.
3.
Repair the excess bulge build-up from
around the retainer pins (3) by using a
grinder (B).
4.
Insert the retainer pin into the retainer-pin
holes.
Please perform periodic inspection.
If light wear is found, switch places of left and
right Retainer Pins①②.
During replacement and exchange, it should
be carefully cleaned the Retainer pin and Pin
hole.
To avoid blank blows leads longer Retainer
pin life. As soon as the object is demolished,
release the foot pedal.
CAUTION
3
3
WARNING
When hammering the pin or retainer pin using a grinder, metal chips may fly off and may
enter your eye causing serious injury. Always wear a hard hat, protective goggles, safety
boots, mask, gloves and other protective equipment during operation.
It is essential to change the Retainer Pin if the values are less than the serviceability limit
shown in the table.
If it is damaged, this will lead to damage of the hydraulic breaker and is dangerous.
B
CAUTION
Do not insert Retainer pins up side
down③④. Backlash may increase and
cause damage to the Pins. Always
keep “↑UP” side on top.
Summary of Contents for TNB-08M
Page 133: ...TOKU Pneumatic Co Ltd...
