Countax B MK4 Series Operator's Manual page 31

Cutter Deck Installation (Adjusting Tension Rod)
1
LOOSEN BOTH ADJUSTER NUTS
3
TIGHTEN LOOSE ADJUSTER NUT AGAINST FIXING
fig. J
2
fig. H fig. I
4
fig. K
Page 31
TURN HEX LINK ROD TO CHANGE ROD LENGTH
TIGHTEN SECOND ADJUSTER NUT AGAINST FIXING
SET ROD TO RECOMMENDED SET LENGTH