Chuck Arm Lowering Speed: Check And Adjustment - BOXER KING 5600 Service Manual

Fig.200
Remove the washers #3 and 4(Fig.199 and
200).
Press the coil valve by screwdriver to unload
the remaining pressure ( 5.13 Fig.93).
Take the oil container.
Remove the hose #5 (Fig.199).
Remove the screw #6 to take away the safety
valve #7 (Fig.200)
Take a lever.
Push out the cylinder (Fig.201).
Fig.201
NOTE: IF THE CYLINDER WOULD NOT GET
OUT, CUT ITS BUSHINGS BY USING
GRINDING MACHINE. THEY ARE PROBABLY
SIZENED ON THE PIN OF THE CABINET AND
THERE IS NO WAY TO UNLOCK THEM.
Remove the greasers #8 (Fig.199) from the
defective cylinder.
Clean the pin and grease them.
Take the new cylinder and fix the greasers.
Grease the cylinder bushings.
Fix the hoses by using news copper washers.
Switch the machine on.
Place the bottom bushing of the cylinder on
the pin of the frame.
Verify if the greaser on the bushings are in the
correct direction (Fig.199 and 200).
Take the portable control.
Open the cylinder 'till reach the pin of the
chuck arm.
Take the rubber hammer and insert the new
cylinder.
Insert the washer and fix the pins.
Install the safety valve.
Mount the hoses.
Remove the piece of wood.
Install the safety lever.
Check if there is any oil leaking.
Make hydraulic oil level
6.14 CHUCK ARM LOWERING SPEED:
CHECK AND ADJUSTMENT
: 30'
: End wrench 10 and 19mm, pliers, hack-saw,
hydraulic oil container.
: Slow lowering speed of the chuck arm.
TO CHECK THE LOWERING SPEED:
Switch the machine on.
Verify if the lifting and the lowering speeds, 'till
end of stroke, are both the same or very
similar.
If the lowering speed is considerably slower, it
needs to be adjusted.
TO ADJUST THE LOWERING SPEED:
Lower the chuck arm 'till end of stroke.
Switch the machine off.
Remove the top cover.
Press the coil valve by screwdriver to unload
the remaining pressure ( 5.13 Fig.93).
Remove the hose shown by the arrow
(Fig.202)
95
6.2.
Service Manual 04/2010 Rev.B