3. Safety Instruction
1. Cautions
1 MEDO blowers are OILLESS. Never lubricate them.
2 All blowers have already been precisely adjusted. Never disassemble them.
(Do not try to loosen the Hex. bolts on the Endcap)
2. Replacement of Filter Element
1 Be sure to unplug the blower before starting the replacement work.
2 Loosen the Bind Screw 1 and remove the Filter Cover 4 .
3 Remove the Filter Element(s) 5 from the Upper Case 6 and replace with new
One(s). At the same time, clean the air inlet of the Filter Cover 4 and the Upper
Case 6 .
4 Assemble the Filter Cover 4 with the Filter Cover Gasket 3 securely positioned.
5 Mount the Filter Cover 4 to the Upper Case 6 , then tighten with the Bind Screw(s) 1 .
6 Time to replace the Filter Element
It is recommended that the Filter Element(s) is cleaned or replaced with new one(s)
depending on the extent of its deterioration as determined by the atomospheric conditions
around the application. The filter element(s) should be checked every three months
and should be replaced jearly.
3. Replacement of Piston Set Assy
1 Be sure to unplug the blower before starting the maintenance work.
2 Remove the Upper Case 6 , loosen all the Hex. Bolts 9 on the Headcover 10 and remove it. In
case it is hard to remove the Headcover 10 insert a flat head screwdriver to the slot(s) on the
edge of the Headcover 10 and twist the screwdriver gently to open.
3 Take out the Piston Set Assy(s).
4 Replace all Piston Set Assys, Gasket A 11 and Gasket B 12 with new ones.
Be sure to keep the Teflon Seal of the Piston 13 away from any dust, swarf,
water, oil or grease. Try not to touch the Teflon Seal of the Piston 13 with your fingers.
5 Insert the Piston Set Assy(s) into the Pump Body. Install Gasket A 11 on the
Headcover 10 and Gasket B 12 on the Pump Body, then fasten the Headcover 10
with the Hex. Bolts 9 .Tighten the Hex. Bolts 9 evenly and alternately then gradually fully tighten.
6 Before putting the Upper Case 6 back, start the blower and check if there is any
air along the Headcover 10 or the Nozzle Seal(s)leakage
33 by briefly blocking the air outlet.
In case there is an air along the Headcover 10 , re-position Gasket A 11 andleakage
Gasket B 12 then re-fasten the Hex Bolts 9 . In case there is an air along the Nozzleleakage
Seal(s)
33 chec k if the nozzle seal is installed on the airtank properly and press the pump body
down to allow the outlet port of the Headcover to catch the Nozzle Seal(s) correctly.
7 Put the Upper Case 6 back after installing GasketC 8 on the Bottom Case
properly. Fasten the Bind Screws/Torx Screws 7 evenly
and alternately.
8
5
5. Maintenance (Refer the sketches on the next page)
Slot
Teflon Seal
Piston
Piston Set Assembly replacement period
It is suggested that the Piston Set Assembly is replaced
every 24 months depending on the extent of the blower´s
pressure and airflow deterioration. There is a groove on
each Teflon Seal of the Piston indicating the degree of
wear. If one or both grooves are worn away, replacement
of the Piston Set Assembly is recommended.
