Tennant 8400 - Scrub Head Doesnt Go in

HYDRAULICS
8400 MM338 (9--95)
6-59
SCRUB HEAD DOESN’T GO IN
YES
NO
DOES SV--10 COIL
HAVE MAGNETISM
CHECK
ELECTRICAL
SYSTEM
REPLACE SV--10
AFTER TURNING THE
EDGER OFF?
STEM
NOYES
IS THE EDGER
CYLINDER
RETRACTING?
CHECK
MECHANICAL
LINKAGE