40 - Recovery System 91Service Manual – SC250, Scrubtec 334, MA 30
Vacuum System Motor Amperage Test (continues)
3. Apply the amp clamp (C) to the electrical cable (D) of the vacuum system motor.
4. Switch on the machine and operate it with one hand on the handlebar.
5. Check that the vacuum system motor current draw is between 5.5 and 6.5 A at 36 V.
6. If the current draw is higher, remove the vacuum system motor (see the procedure in the Vacuum
System Motor Disassembly/Assembly paragraph), and check the condition of all its components to detect
and correct the reason for the abnormal current draw:
If the above-mentioned procedures do not produce the correct readings for the vacuum system motor
current draw, the motor must be replaced.
Figure 7
C
D
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