Tennant ATLV 4300 Service Manual page 81

9. Go to the operators compartment and
remove the three actuator mount screws
from the back kick panel.
10. Drop the vacuum head lift actuator assembly
out of the machine.
11. Remove the three hex screws and two
mount brackets holding the actuator to the
main mount bracket. Remove the actuator.
NOTE: Make sure to retain the gasket.
12. Remove the long M8 hex screw holding the
cable block to the shaft of the actuator.
Remove the cable block and position it onto
the new actuator in the same orientation.
13. Reinstall the long M8 hex screw. Tighten to
18 -- 24 Nm (15 -- 20 ft. lb).
14. Position the new actuator onto the main
mount bracket. Reinstall the two brackets
and three hex screws. Tighten to
18 -- 24 Nm (15 -- 20 ft. lb).
NOTE: Make sure to reinstall the gasket to protect
the aluminum housing on the actuator.
15. Position the actuator assembly back into the
machine. Reinstall the three hex screws.
Tighten to 18 -- 24 Nm (15 -- 20 ft. lb).
16. Reconnect the actuator to the main electrical
harness.
17. Position the long, black cable lift sleeve
through the hole in the actuator lift block.
18. Thread the long, black lift sleeve onto the
end of the vacuum head lift cable. Leave
loose for now.
19. See TO ADJUST vacuum HEAD
ACTUATOR LIFT CABLE instructions in the
vacuum section.
20. Operate the machine and check the vacuum
head lift actuator for proper operation.
ATLV 4300 330495 (10- -98)
ELECTRICAL
4-13