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OPERATION MANUAL
5.2 CHANGING THE HYDRAULIC OIL
The efficiency of the Metalmaster machine relies on the hydraulic system being well maintained
All precautions must be taken to keep the hydraulic system clean at all times.
F
ig
. 5.1
To change the oil
1. Remove the 4 socket head cap screws holding the
tank cover and remove the oil tank cover. (Fig.5.1)
2. Using an appropriate pump, drain out the old oil
completely making sure nothing is left.
3. Using a clean cloth wipe out the tank to make sure
any dirt or foreign objects have been removed.
4. Using a pump, fill the tank with new 46 grade
hydraulic oil until the oil reaches the centre mark
of the oil indicator. The oil level must be checked
regularly to make sure it is always kept at the same
level.
5. When changing oil, keep the oil tank clean and
free of dirt at all times..
6. Oil must be changed after the first 200 working
hours of use, and then after every 1000 working
hours.
5.2 CHANGING THE HYDRAULIC OIL FILTER
From time to time the hydraulic oil filter may need to be changed to ensure the quality of the
system. Filters used by the manufacture may change from model to model but basic procedure
is listed below.
T
o change the oil
1. Remove the 4 socket head cap screws holding the
tank cover and remove the oil tank cover. (Fig.5.1)
2. Using an appropriate pump, drain out the old oil
completely making sure nothing is left.
3. Using a clean cloth wipe out the tank to make sure
any dirt or foreign objects have been removed.
4. Unscrew the filter off the intake tube (Fig.5.2) at the
bottom of the tank and replace with a new filter.
5. Using a pump, fill the tank with new 46 grade
hydraulic oil until the oil reaches the centre mark
of the oil indicator. The oil level must be checked
regularly to make sure it is always kept at the same
level.
5. When changing the oil filter, keep the oil tank clean
and free of dirt at all times.
6. The oil filter should be changed after 1000 hours of
operation
F
ig
. 5.2
22/07/2019
Instructions Manual for PB-422L (S576)
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