MP15 Maintenance
wpm_tx001873gb.fm 23
5.5 Drive Belt
See Graphic: wpmgr008610
On new machines or after installing a new belt, check the belt tension
after first 20 hours of operation. Check and adjust the belt every 50
hours thereafter.
To adjust the belt:
5.5.1 Loosen the two screws (a) on the beltguard, then remove the
beltguard, keeping the screw assemblies captured on the beltguard.
5.5.2 Loosen the four nuts (b) which hold the engine to the console, and the
screw (c) which holds the beltguard back to the console.
5.5.3 Slide the engine backward (towards the handle) to tighten the belt,
forward to loosen the belt.
5.5.4 Adjust the belt so that it deflects 10–13 mm (d) when pressed midway
between the belt pulleys.
5.5.5 Make sure that the clutch pulley (f) and the exciter pulley (e) are in
alignment. Place a straight edge against the exciter pulley (e) and
move the engine so that the two pulleys are parallel.
5.5.6 Torque all nuts and screws to 20.5 Nm as you reassemble the
machine.
wpmgr008610
a
b
e
c
d
f
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