Every 25,000 Loaves And/Or At Least Once A Year, By An Approved Agent; Blade Replacement - JAC DURO 450 Manual Del Usuario

8.2

Every 25,000 loaves and/or at least once a year, by an approved agent.

Remove the plug from the socket (fig.2, n°13).
Check the condition of the cutting blades (fig.1, n°3).
If you notice a deterioration in cutting quality, the cutting blades must be replaced (JAC part number:
610026 in the JAC Spare Parts catalogue).
If the blades need to be replaced, do so in accordance with the blade replacement procedure (fig.5,
6).
NB: Do not overtighten the blades, as this risks distorting the frames.
Sweep and vacuum the inside of the machine.
Check bearing condition, then lubricate them.
Lubricate the actuator joints.
Check that your approved agent has recorded his work in your service booklet in order to maintain
your 5-year warranty cover.
Additional maintenance for models with lubrication
The oil to be used is: 7940019 (as quoted in the JAC "spare parts" catalogue).
Or a food-grade liquid vegetable oil with a natural antioxidant.
Every 1,000 loaves or every 15 days, by a trained operator:
Add the dose of food-grade oil (100 to 150 ml) required to impregnate the felt pads on the carriage
(operate the carriage advance button to enable access to the oil filler plug).
Every 25,000 loaves and/or at least once a year, by an approved agent:
Remove the plug from the socket.
Replace the pusher felt pads.
8.3

Blade replacement.

Always wear cut-resistant gloves (EN 388:2003 version B= 5) and safety footwear when replacing the
blade or when working in the vicinity of the blade.
Ensure that the plug on your machine (fig.2, n°13) has been disconnected from the mains.
Non-Misch machines (BEF – BEH – BEL – BEL ETL – BER – BEZ)
(fig.5)
A. Remove the two screws for the rear table and slide it rearwards in order to clear the front table.
B. Release the bagger by removing the left and right-hand thumbscrews and remove the two
cover screws.
C. Open the cover and remove the two screws for the front table.
D. Remove the front table.
E. On the upper part of the front frame, remove screws A, which secure the frame to the
polypropylene strips (never remove the strips from the frame, as you risk altering factory
settings).
F. Lay the frame down forwards. Replace the blades on the rear frame (place something to
protect yourself on the front frame blades). Remove the blade-tightening Allen screws B.
Replace the blades, checking that they locate correctly in the swing arm pins. Retighten the
blades by tightening screws B, with the blades remaining on the frame as a reference.
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