Panasonic 250280 - Manual (Page 4)

12. Follow the maintenance instructions as outlined in this owner’s manual.
ASSEMBLY
STEP1: Assemble 8 aerator knives to a double spool assembly using sixteen M8 x 20
carriage bolts, 8 lock washers and M8 hex lock nuts. All knives should face the same
direction. Tighten. Repeat for other double spool assemblies.
STEP2: Push a split plastic bearing into each end of the spool tube.
STEP3: Assemble a wheel bracket to the middle hole in the shaft so that the hub faces
the short end of the shaft. Fasten the bracket to the shaft using a 1/4" x 1-8/16" hex bolt
and a 1/4" hex lock nut. Tighten.
STEP4: Pre-assemble a M8 x 30 hex bolt and M8 hex lock nut to the smaller hole in the
wheel bracket. Insert the bolt from the hub side of the bracket. Do not tighten yet.
STEP5: Assemble double spool assembly (knives facing in), a 5.29" long spacer, another
double spool assembly (knives facing out), a 1.00" long spacer and a 20 flat washer onto
the short end of the shaft.
STEP6: Assemble a 2.38" long spacer, a 20 flat washer, the middle bracer, a 20 flat
washer, a 2.9" long spacer, a double spool assembly (knives facing in), a 5.29" long
spacer, a double spool assembly (knives facing out), a 1.00" long spacer and a 20 flat
washer onto the long end of the shaft. The bent lip of the middle brace must face the short
end of the shaft.
STEP7: Rotate the wheel bracket fastened to the middle of the shaft so that it is pointing
up. Assemble an end plate, a 20 flat washer and a wheel bracket onto the long end of the
shaft. Point the wheel bracket. Fasten to the shaft using a 1/4" x 1-9/16” hex bolt and 1/4"
hex lock nut. Tighten. Repeat for other end of shaft.
STEP8: Assemble a wheel to the left and right wheel brackets. Use a M12 x 110 hex bolt
and 12 big flat washer and M12 nuts. Adjust the nuts so that the wheel is held securely.
Repeat on right side but will spin freely.
STEP9: Assemble the hitch bracket to the tongue using two M8 x 25 hex bolts and M8
hex lock nuts. Tighten.
STEP10: Assemble the hitch pin through the hitch bracket and the tongue. Secure it with
the hair cotter pin.
STEP11: Assemble the tongue to the tray, placing the wide end of the tray slot to the front
with two M8 x 25 hex bolts, two M8 x 30 hex bolts, four 1/4" long spacers, four M8 hex
nuts. Tighten.
STEP12: Assemble two M8 x 30 hex bolts, four 1/4" long spacers, two M8 hex lock nuts
to the holes on the right side of the slot in the tray. Tighten.
STEP13: Align the tray between the end plates. Use three M8 x 20 hex bolts to
temporarily secure three corners of the tray to the end plates. Leave one upper corner
empty.
STEP14: Rotate the middle brace up against the tongue, aligning it with the holes that are
closest to slot in the tray. Fasten the brace to the tongue using two M8 x 25 hex bolts, M8
hex lock nuts. Do not tighten till final step.
STEP15: Assemble both of the end plates to the tray using eight M8 x 20 hex bolts, M8
hex lock nuts. Do not tighten till final step.