Jet J-CK350-4, Operating Instructions And Parts Manual

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10
12.0 Maintenance
12.1 Maintenance Requirements
All maintenance must be
carried out with the power switched off .
Failure to comply may result in serious
injury!
On completion of maintenance, ensure that
replaced parts and/or any tools used have been
removed from the machine before starting it up.
12.2 Periodic Maintenance

Remove chips from the machine, preferably
with a cloth

Remove chips from the coolant tank and
change coolant regularly (see
Coolant
section)

Top up the coolant level (see Coolant )

Check the wear of the blade and change if
necessary (see
Changing the Saw Blade )

Empty the chips out of the base.

Clean the vise and lubricate all the joints
and sliding surfaces, using good quality oil.

Check transmission belts for wear (see
Transmission Belts )

Attend to daily, weekly and annual
lubrication recommendations (see the
Lubrication section)
12.3 Coolant System
The coolant tank access door is located on the
back of the cabinet stand. Remove four hex cap
screws with a 5mm hex wrench. Check coolant
level in the coolant tank periodically and top off if
necessary. Coolant can also be added by
pouring directly on the table, which will drain into
the tank through the
chip strainer .
Remove excess chips periodically from the tank.
Use the coolant level gauge to check the coolant
level.
12.4 Coolant
Use a water-soluble synthetic coolant with this
mist coolant system. The ratio should be
between 7-10 to 1. Coolant should be changed
regularly. Some recommended brands are DoAll
and Lenox. These coolants are available at your
local industrial distributor.
Coolant Type:

Water-Soluble Synthetic Coolant
12.5 Changing the Saw Blade
The cold saw must not be
connected to the power source when
changing saw blades. Failure to comply may
result in serious injury!
To change the saw blade:
1. Switch off the machine.
2. Release the lower disc guard.
3. Move the lower guard upwards.
4. Push the blade lock in .
Note: The J-CK350 bolt is a left-hand thread;
rotate clockwise to loosen.
5. Remove the blade and replace it with a new
one.
6. To secure the saw blade, reverse the
preceding steps.
12.6 Transmission Belts
The J-CK350 uses a V-belt transmission
system. After the
first 100 working hours,
remove the transmission belt protective cover
and check the tension and wear of the belts.
Repeat the operation after every 500 working
hours of the machine.
To tighten the transmission belts:
1. Remove the transmission belt protective
cover.
2. Loosen four bolts (A, Fig. 13) and slide
motor back.
Figure 13