Maintenance; Daily Maintenance; Weekly Maintenance; Monthly Maintenance - Jet ELITE EHB-270DGSVIP Mode D'emploi

Make sure the safety micro-switch (N, Fig 8-10) is activated
otherwise the machine will not start.
CAUTION:
Always assemble blades having dimensions as specified in this
manual and for which the blade guides have been set.
Otherwise, see chapter 8.6

9.0 Maintenance

The maintenance jobs listed below are divided into daily,
weekly, monthly and 6-monthly intervals. If the following
operations are neglected, the result will be premature wear or
the machine and poor performance.
WARNING:
Before performing the following operations, the electric power
must be disconnected.

9.1 Daily Maintenance

- General cleaning of the machine; remove accumulated
chips and shavings.
- Clean the lubricating coolant drain holes to avoid excess
fluid.
- Top up the level of lubricating coolant.
- Check the blade for wear.
- Lift the saw bow to top position and partially slacken the
blade to avoid useless yield stress.
- Check functionality of the guards and the emergency stop.

9.2 Weekly Maintenance

- Thorough cleaning of the machine; remove chips and
shavings, especially from the coolant tank.
- Remove coolant pump from its housing
- Clean the filter of the pump suction head and the suction
area.
- Use compressed air to clean the blade guides (guide
bearings and coolant drain hole)
- Clean the flywheels and flywheel housings.
- Check the hydraulic tank oil level, top up with hydraulic oil
if necessary.

9.3 Monthly Maintenance

- Check the tightening of the motor flywheel screws.
- Check the condition of the blade guides (guide bearings and
guide pads)

9.4 Six-monthly Maintenance

Change the Gear Box Oil:
The gearbox requires periodic changing of oil.
The oil must be changed by the first 6 months of a new
machine (after 250 operating hours) and every year thereafter
(respectively every 500 operating hours).
Figure 9-1: Gearbox
- Disconnect the machine from the power source.
- Raise the saw bow to top position.
- Remove the drain plug (S, Fig. 9-1) and fill bolt (R).
- Drain the Oil completely
- Replace the drain plug (S)
- Place the saw bow back to horizontal position.
- Fill Gear box with approximately 3 litre gear oil.
- Replace the fill bolt (R).
Note:
For reference, use SHELL type gear oil or Mobile gear oil #90.
Oil disposal is controlled by strict regulations.
Please see chapter 4-6.

9.5 Lubricating Coolant

Considering the variety of products available on the market,
the user can choose the one most suitable for his
requirements.
Note:
For reference, use SHELL LUTEM OIL ECO
The minimum percentage of oil diluted in water is 8-10%.
Follow coolant manufacturer's instructions for safety, mixing
and disposal.

9.6 Cleaning the Coolant Tank

- Remove the drain plug (T, Fig 9-2). Allow the coolant to
drain-out.
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