Trouble Shooting; Technical Specifications - Renfert Basic classic Mode D'emploi

7.

Trouble shooting

Problem
No air and no abrasive.
Only air, no or very little
abrasive.
Only air, no or very little
abrasive.
Unit blasts continuously.
Lamp is not alight.
Compressed air leaking
from the foot switch.
Foot switch fails to
switch on.
Foot switch hoses
cannot be disconnected
from the unit.
8.

Technical Specifications

Working pressure:
Connecting pressure, external:
Air consumption:
Voltage:
Lamp power consumption:
Cable length:
Ø hose connection:
Ø size of pipe union for external extraction unit:
Dimensions (WxHxD):
Blasting chamber volume:
Tank capacity:
Weight (empty):
Noise level according to DIN 45635-01-KL3:
Possible cause
• Blasting nozzle blocked at the hand-
piece.
• Foot switch connecting lines kinked.
• Tank selection switch in an intermediate
position.
• The dosage nozzle in the mixing cham-
ber is blocked due to contaminated or
moist sand.
• Mixing chamber filter combination blo-
cked.
• Abrasive contains impurities or is moist.
• Foot switch connected incorrectly.
• Valve in foot switch is defective.
• Power cord not plugged in
• Illumination defect.
• Pneumatic hoses reversed.
• No pressure at the compressed air con-
nection.
• Pneumatic hoses are kinked.
• Push-in connection is not released
(fig. 2).
• Unscrew the nozzle from the hand-piece
and blow it out.
• With the nozzle removed, blow out the
blasting hose by activating the foot pedal.
• Inspect/correct the connection lines.
• Turn the switch until you feel it click into
place.
• Cleaning the dosing nozzle,
see chapter 6.4.
• Change filter cartridge (19 / fig. 1)
(wrench SW14).
• Replace the abrasive.
• Inspect/correct the foot switch connection.
• Replace foot switch.
• Plug the power cord into the wall outlet.
• Change light using the service or see spare
part list.
• Reverse the connections.
• Inspect the compressed air lines and/or the
compressor.
• Reposition the hoses.
• Press the push-in connection ring on the
hose side firmly while pulling on the hoses.
1 - 8 bar [14,5 - 116 psi]
5 - 8 bar [73 - 116 psi]
98 l/min. at 6 bar [87 psi]
230 V, 50/60 Hz
100 - 120 V, 50/60 Hz
16 W
2 m [78.74 inch]
interior: 4 mm [0.16 inch]
exterior: 6 mm [0.24 inch]
interior: 35 mm [1.38 inch]
exterior: 40 mm [1.58 inch]
355 x 270 x 415 mm
[13.98 x 10.63 x 16.34 inch]
14 l
1000 ml each
ca. 6,5 kg
< 72 dB(A)
- 7 -
Corrective action
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