JUNTTAN PM 20L Operator's Manual page 114

JUNTTAN
Routine service section
PRESSURE FILTERS IN DRAWING 451 048, filter 3, 4 and 5
The item numbers refer to Drawing number 451 050/1
• Relieve the tank pressure
• Remove filter bowl (3)
• Remove and discard filter cartridge (1)
• Check and clean filter bowl
• Check the by-pass valves
• Change new seals and o-rings if needed
• Lubricate seals and threads
• Install new filter cartridge
• Reinstall filter bowl
• De-air the hydraulic system
• Check filter for leaks
RETURN FILTERS IN DRAWING 451 048, filters 1 and 2
The item numbers refer to Drawing number 451 050/2
• Relieve the tank pressure
• Open four nuts (11) on the cover (6)
• Pick up the filter cartridge (1) with holder (2)
• Open screw (3) and remove filter cartridge from holder
• Check and clean filter bowl (8)
• Check the by-pass valves
• Change new seals and o-rings if needed
• Lubricate seals and threads
• Insert new filter cartridge to holder
• Install filter cartridge with holder to its place
• Install cover (6)
• Check filter for leaks
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