Recovery System - Battery Version
50
Service Manual – SC450
Removal and Installation
Vacuum System Motor Amperage Check
Warning! This procedure must be performed by qualified personnel only.
1 Check that the squeegee and the vacuum hose are clean and that there is no dirt in their inner parts
2 Keep the squeegee lifted
3 Remove the recovery water tank
Warning! Do not touch uncovered electrical components while performing the following steps.
4 Apply the Amp clamp (A) on the battery cable (B)
5 Turn on the vacuum system and check that the vacuum system motor amperage is 13 - 17 A at 24 V
Turn off the vacuum system
Remove the Amp clamp (A)
If the amperage is higher, perform the following procedures to detect and correct the abnormal input:
•
Check that the vacuum fuse (F2) is properly positioned
•
Check the condition of the vacuum system motor carbon brushes
• Remove the vacuum system motor (see the procedure in the Vacuum System Motor Disassembly/As
-
sembly paragraph), and check the condition of all its components.
If the above-mentioned procedures do not produce the correct readings for the vacuum system motor
amperage, the motor must be replaced (see the procedure in the Vacuum System Motor Disassembly/
Assembly paragraph)
Reassemby
6 Assemble the components in the reverse order of disassembly
A
B
P200020
