Diamond Products HCH50 - Manual (Page 53)

Operating instructions Servicing
HCH5011 / 001 8-5
8.4 Changing the bar
To change the bar you will need the fork wrenches SW 19 and SW 10
supplied with the tool kit.
Fig. 8-4 Changing the bar
8.4.1 Dismantling the bar
Proceed as follows:
• Loosen the three chain guard securing screws (3)
Fork wrench SW10
• Remove the chain guard (4) and the chain tensioning device (5)
• Loosen both nuts (1)
Fork wrench SW19
• Release the tension in the diamond chain via the adjusting screw (2)
Fork wrench SW19
• Remove the diamond chain
• Remove the nuts (1) from the chain tensioning device (5)
• Remove the bar
8.4.2 Fitting the bar
Proceed as follows:
• Place the bar in the chain saw unit
• Fit the chain tensioning device (5) and tighten nuts (1) slightly
• Place the diamond chain around the drive and reversing wheel and in
the chain guide of the bar. Note the direction of travel and installation
position of the diamond chain. See “Chapter 3” 3.3.3,
 3-4
• To tension the diamond chain see 8.2,  8-3
• Tighten both nuts (1) with fork wrench SW19
• Fit the chain guard (4) with the fixing screws (3)
Fork wrench SW10
1 2 3
3 3
4
5