Trouble Shooting; Technical Specifications - Renfert Basic classic Manual Del Usuario

7

Trouble shooting

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

Technical Specifications

Voltage
Working pressure:
Connecting pressure, external:
Air consumption:
Lamp power consumption:
Cable length, approx.:
Ø Compressed air hose:
- interior:
- exterior:
Ø Size of pipe union for external extraction unit:
- interior:
- exterior:
Dimensions (W x H x D):
Blasting chamber volume:
Tank capacity, each:
Weight (empty), approx.:
Possible cause
• Blasting nozzle blocked at the hand-
piece�
• Foot switch connecting lines kinked�
• Tank selection switch in an intermedi-
ate position�
• The dosage nozzle in the mixing cham-
ber is blocked due to contaminated or
moist sand�
• Mixing chamber filter combination
blocked�
• 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
connection�
• Pneumatic hoses are kinked�
• Push-in connection is not released
(Fig� 2)�
Corrective action
• 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 (17, 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 com-
pressor�
• Reposition the hoses�
• Press the push-in connection ring on the hose side
firmly while pulling on the hoses.
220 - 240 V, 50 / 60 Hz
100 - 120 V, 50 / 60 Hz
1 - 6 bar [14�5 - 87 psi]
6 - 8 bar [87 - 116 psi]
98 l/min at 6 bar [3�46 cfm at 87 pis]
16 W
2 m [78 inch]
4 mm [157 mil]
6 mm [236 mil]
35 mm [1�38 inch]
40 mm [1�57 inch]
355 x 270 x 415 mm [14�0 x 10�6 x 16�3 inch]
14 l [3�7 US gal]
1000 ml [34 fl oz]
6�5 kg [14�3 lbs]
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