6
Caution 1) During the process of seal recovery, make sure
the hydraulic breaker does not impact when depressing the
operating pedal. Also, when performing the above exercise,
refer to the sketch below by standing the hydraulic breaker
vertically.
4. THE DELIVERY PERSONAL OR INSTRUCTOR SHOULD EXPLAIN THE
FOLLOWING POINTS TO THE CUSTOMER (MAINTENANCE STAFF OR OPERATOR)
1) The basic structure and mechanism for the TNB Hydraulic Breaker.
(Using the Instruction Manual)
2) The new hydraulic piping for the hydraulic breaker attachment and also the hydraulic circuit. (Operation,
High pressure hose, change valve, piping and relief valve etc)
3) Explanation concerning the operation,maintenance,wear parts and precaution points for the TNB
Hydraulic Breaker.
a) Inspection and re-tightening of nuts and bolts (Especially after 10 hours of operation)
b) Exchanging the hydraulic oil at every 600 hours of operation, in case the operating rate of the
breaker is 100%.
Exchanging the oil filter at every 150 hours of operation, in case the operating rate of the breaker is
100%.
c) Do not use a standard hydraulic breaker for underwater usage.
d) Procedures in greasing the chisel (Press the chisel into the breaker before greasing)
e) Operate the breaker vertically straight (A bending or prying action will during impact will break the
chisel)
f) Procedures for how to change the chisel.
g) How to store the breaker properly.
h) Agency of wear parts at an early stage and changing the parts accordingly. (Chisel, retainer pins,
retainer pin stopper, retainer pin stopper plug and hoses etc.)
4) Operation hour of the breaker on the first day should stay within 80% of the normal operating hours.
