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14.0 USER-MAINTENANCE
Before doing maintenance on the machine,
disconnect it from the electrical supply by switching
off the main switch. Failure to comply may cause
serious injury.
14.1 GENERAL MAINTENANCE
Use a light machine oil to lubricate moving parts and
contact areas, as needed.
Vacuum or brush swarf from machine. Do not use bare
hands.
Periodically clean the sump in the machine base to extend
pump life and promote effi cient cutting. Change coolant
regularly at intervals recommended by coolant supplier.
All ball bearings are permanently lubricated and sealed.
They require no further attention.
14.2 GEARBOX
After the fi rst 50 hours of use the gear case should be
drained and refi lled. Change lubricant from then on every
6 months. Top off as needed.
To drain and refi ll:
1. Disconnect machine from power source.
2. Remove drain plug (C, Fig. 14-1) and allow gear oil
to drain completely. Dispose of oil according to local
regulations.
3. Wrap drain plug threads with thread sealant tape, and
reinstall plug.
4. Use fi ll plug (D) to fi ll gear box with Mobilube™ HD
85W140, or eqivalent. Capacity is 6L (1.58 Ga.). Do
not allow the oil level to fall below the Low mark on the
sight glass (E).
16
14.3 MANUAL LUBE SYSTEM
The manual lube system shown in Fig. 13-1 uses
hydraulic oil. Remove the cap on top to fi ll.
Use clean, new hydraulic oil to fi ll, NOT used oil.
Correct oil type is based upon the environment. ISO
32, 46, and 68 are common viscosities for diff erent
temperature ranges. Consult a hydraulic oil manufacturer's
chart when selecting oil for your location.
The discharge amount has been properly set by the
manufacturer, but the amount can be adjusted if needed.
14.4 COOLANT
JET off ers a bio-degradable, concentrated fl ood coolant
(not provided) formulated for band saws, lathes, and
milling machines, with a 20:1 water/coolant mix ratio. See
JET website for more information and to order.
414124 JET Bio-Degradable Flood Coolant, 1/2 Gal.
414126 JET Bio-Degradable Flood Coolant, 1 Gal.
414127 JET Bio-Degradable Flood Coolant, 5 Gal. Pail
Filling and Draining
Pour coolant mixture into chip tray so that it drains through
strainer into basin. The sight glass is located on right side
of base.
To drain coolant use drain plug located on right side of
machine base. Follow local regulations when disposing of
used machine fl uids. Apply thread sealing tape to the drain
plug before re-installing.
Keep the overfl ow hole on right side of base, clean and
unobstructed.
Diff erent brands of coolant may not mix properly. If
changing to an alternate brand, fi rst fl ush coolant line and
sump with an industrial degreaser or cleaner that does not
contain silicone or petroleum based ingredients.
14.5 HYDRAULIC SYSTEM
Check fl uid level using sight glass. See Fig. 14-2. If low,
pull out entire tank assembly, and pour Mobil™ Hydraulic
Oil ISO AW68, or equivalent, into the fi ll hole. Reinstall fi ll
plug. Tank capacity = 38L (10 gal.)
Pressure adjustment
Oil pressure for vise operation has been correctly
set by the manufacturer; no adjustment is needed.
Recommended clamping pressure should fall between 10
Fig. 14-1
to 12 kg/cm² (142.2 to 170.6 psi).
Horizontal Band Saw
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