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3. Grease-up
●
Grease every 2 hours through the grease nipple on front cap using high quality Chisel Paste.
●
While greasing; the breaker must be stood up-right then with the weight of the carrier; press the working tool
all the way until it stops.
●
Pump in Chisel Paste until grease comes out around the Working Tool or
from the Chisel Set Pins.
** DO NOT fill up the space between the piston and chisel with grease,
otherwise seals may be damaged.
See illustration:
●
When Sliding Surface of working tool becomes dry immediately,
please stop operation and refill Chisel Paste.
See illustration:
Note:
Working Conditions and grease quality greatly effect the amount of grease
required to properly lubricate the tool. See chart for reference:
Breaker Class
21-90#
100-210#
270-300#
400-800#
Tube/ Day
1 - 2
2 - 3
3 - 4
4 - 5
3. Inspection for oil leakage
Location
Possible Cause
Remedy
A
Between the front
cap bushing and the
chisel.
Cylinder U-packing
damaged, worn or
hardened.
Replace U-packing.
B
Between the back
cap and the hose.
Clamp bolt loosened,
O-ring worn or damaged.
Retighten clamp bolt.
Replace O-ring.
C
Between the cylinder
and the valve box.
Valve box set bolts
loosened, or O-ring worn,
damaged or hardened.
Retighten valve box set bolts
or replace O-ring.
D
Between the valve
box and the valve
cap.
Valve cap bolt loosened,
or O-ring worn, damaged
or hardened.
Retighten valve cap bolts or
replace O-ring.
E
Between the
accumulator and the
cylinder
Accumulator set bolts
loosened, or O-ring worn.
damaged or hardened.
Retighten accumulator set
bolts or replace O-ring.
F
Between the back
cap and the cylinder.
Loosened side rods, or
back cap O-ring worn or
damaged.
Retighten side rods or replace
back cap O-ring.
4. Inspection for gas leakage
Location
Possible Cause
Remedy
Gas valve body inlet.
O-ring worn or hardened.
Weak spring tension. Worn gas valve
Replace gas valve O-ring.
Replace spring or gas valve.
Between the gas valve
body and cap mount.
Loose gas valve body.
Gas valve body O-ring worn or
hardened.
Retighten gas valve body.
Replace gas valve body O-ring.
Between the back cap and
the cylinder.
Side rods loosened, or back cap O-ring
worn or hardened.
Retighten side rods or replace
back cap O-ring.
●
Leaking point can be easily identified by applying soapy water.
If gas is depleted shorter than expected although the above problems are not found, replace the back cap O-ring,
cylinder sleeve O-ring, and sleeve U-packing.
Note:
●
Before installing new U-packings, apply a slight coat of hydraulic oil to their surface.
●
Pay attention not to damage or cut U-packing or O-ring when installing.
B
A
C
D
F
E
