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11.4.5 Tightening the V-belt (Tighten belt)
Riem 1: Engine - Blade axle
• Loosen the guide bolts (3 & 4) and unscrew them
2 cm.
• Position a metal plate between the base of the
engine and the bolt (4) and retighten this bolt.
• Partially unscrew the 4 bolts retaining the engine
(5, 6, 7, 8) (M10 slw. 17).
• Push the engine
forwards via the tensioning bolt (4). Ensure correct belt tension.
• Align the belt pulleys. To do so, use a straight slat
(length : +/- 1200 mm) and hold it against both belt pul-
leys. When the alignment is correct, the slat will touch
the belt pulleys at 4 locations.
• Position a metal plate between the base of the
engine and the guide bolt (3).
• Then screw the guide bolt (3) further in to
adjust the belt alignment.
• When the belt is perfectly aligned, retighten
the 4 tensioning nuts.
• When the engine is tensioned, remove the metal plates between the engine block and the
guide bolts (3 & 4) and screw the guide bolts until they just touch the engine block. Lock the
guide bolts using the lock nuts.
