Airing Of Hydraulic Pumps - JUNTTAN PM 20L Operator's Manual

JUNTTAN
Routine service section
CHANGING THE FILTER ELEMENT OF THE BREATHER
Change or clean the filter element of the breather during every oil change (every 1000
hours) or when necessary.
7.4.5 DE-AIRING OF HYDRAULIC PUMPS
After the oil change the pump housings have to be de-aired or filled with oil before
starting up engine.
Working order:
1) Drain the tank
2) Clean the tank bottom
3) Fill the tank
4) Use the hand pump (~20 pumpings) to add pressure to tank
5) De-air the main pump housings by unscrewing closing plugs (1)
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