37 / 44
6.5 Motor replacement
Disassemble theV-belts as described in par. 6.4
Disassemble the motor pulley following the manufacturer instructions
nscrew fixing bolts of the motor
Replace the electric motor
Fix the new motor on motor brackets, check its alignment with motor brackets pivot.
Reassemble the motor pulley
Align the pulley by moving the pulley along the the motor shaft
Reassemble the V-belt transmission as describe in par. 6.4
6.6 Blower maintenance
Disassembly the blower within the guarantee period results in the cancellation of the guarantee.
Disassembly, repair work and reassembling of the blower must be carried out only by qualified personnel and with the aid of suitable
equipment and relevant manual.
For the identification of the parts see section at page 42 of the manual.
Warning : Before any service operation stop ROBOX DV as indicated at paragraph 6.
Note : Guarantee does not cover damages caused by operations carried out incorrectly .
6.6.1 Replacing the shaft seal
Disassemble the inlet filter
Disassemble the V-belts as indicated in the paragraph 6.3
Warning : Do not hammer the shaft coupling or pulley.
Empty the cooling circuit (only /RF) and disconnect the relevant piping
Empty the lubricating oil out of the sump 12A
Warning : Dispose the used oil in accordance with local regulations.
Remove the key 30.
Lock the cover 5A to the casing with at least 4 clamps; remove the sump 12A.
Replace the seal ring pos. 43, clean the housing of seal ring 43 and eventually replace the ring 37.
Warning : Do not damage the lip of the ring 43 during this operation.
Reassemble the sump 12A onto the cover 5A using a new gasket 50 in between
Refill the sump 12A with new lubricating oil as per paragraph 6.1.
Reassemble the V-belts as indicated in the paragraph 6.4
6.6.2 Cleaning of compression chamber
Clean the internal surface of the chamber and the surface of the rotors from any deposits and rust by using solvents and a scraper
Warning : Keep to prescribed safety rules when using solvents and wear protection glasses and safety gloves
Note : Do not damage the internal surface of the chamber and the surface of the rotors with the scraper.
6.6.3 Check of the gear clearance
Empty the lubricating oil out of the sump 12B
Warning : Dispose the used oil in accordance with local regulations
Disassemble the gear sump 12B
Measure the clearance between the gear teeth according to the attached table 264468 . In order to do this secure one of the gears and rotate
the other until there is no contact.
Reassemble the sump 12B using a new gasket 50 in between
Refill the sump 12B with new lubricating oil as shown in paragraph 6.1
Send the table 264468 filled out with measured clearances to ROBUSCHI (or any authorised distributor) for their review.
6.6.4 Check of the rotors clearance
Disassemble the inlet silencer
Insert gauges into the inlet opening to measure the clearance of the rotors in various positions, turning the drive shaft by hand according to
the attached table 264468.
Warning : During this operation pay attention to rotors which can cause the squeezing of the finger and hands.
Reassemble the inlet silencer
Send the table filled out with measured clearance to ROBUSCHI (or any authorised distributor) for their review.
6.7 Spare parts
To Next Page
Loading...