Bissell PROHEAT PRO-TECH 7920 - Manual (Page 21)

B issell PowerSteamer® ProHeat™ Series Service Center Repair Guide
Printed February, 2001
1/30/2004 (Revision 1) 20
Circuit Board Replacement
1. Disassemble lower handle assembly according to instructions on page nineteen.
2. Remove the black circuit board wire from the power switch (this is the black wire that
runs from the switch to the circuit board).
3. Disconnect speed sensor wire from circuit board (this wire has a soft, silver colored,
braided thermal covering on it).
4. Remove the four short screws that mount the Perfect Pass™ housing to the handle front.
5. Pull the Perfect Pass™ housing away from the handle front (the circuit board and housing
are replaced as an assembly).