RedMax HC510DV manual  24 , Assembling Procedure

9. Maintenance

MA10

MA11

MA12

MA13

24 

3.Slacken a stay bolt on opposite side and remove together with a washer. (MA10)

(1)Stay

(2)Washer

(3)Bolt

4.Slacken a semi-auto tensioner bolt using angle wrench. Push the cutting head toward the engine while swinging it up and down to slacken the belt tension. (MA11)

(1)Push toward the engine

(2)Bolt

(3)Slacken

5.Remove the belt out from groove of pulley on the cutting head.

6.Remove a belt cover on the drive case.

7.Slacken and remove 4 screws and 2 nuts which are fixing the drive case on the main body. (MA12)

(1)	Drive case	(2)	Drive belt
(3)	Pulley	(4)	Belt cover

8.As removing the drive case and cutting head together from the main body, remove the belt out from a pulley on the main body.

9.Slacken 3 nuts which are fixing the cutting head, then separate the drive case and the cutting head. Remove the belt. At this time, a belt tensioner spring and a boss built into the cutting head come out together. (MA13)

(1)	Clutch drum	(2)	Drive case
(3)	Cutting head	(4)	Spring
(5)	Boss

ASSEMBLING PROCEDURE

1.Lay the belt inside the drive case temporarily. Temporarily fix the cutting head with built-in belt tensioner spring and a guide to the drive case using 3 nuts.