Repair
16
3A7398A
Drive Belt Replacement (Models
25P472 & 25P473)
Models 25P472 & 25P473 are equipped with a Poly
Chain
®
GT2 (Gates Co.) drive belt or a multi groove
(banded) “V” belt in a serpentine arrangement. This
allows all three heads to turn in the same direction to
minimize parts inventory of heads and drive
components.
Tools required:
•
1 5/8” wrench
•
7/16” socket or wrench
•
1/2” socket or wrench (gas model)
•
9/16” socket or wrench
•
3/16” hex key
1.
Hydraulic Models (25P471 & 25P472)
:
Turn off
auxiliary circuit and wait until the GrindLazer cools
off if it has been running.
Gas Model (25P473)
: Turn off engine. Disable
engine as follows: 1) Disconnect both spark plug
wires. 2) Disconnect negative (-) battery cable from
battery.
2. Raise the cutter heads off the work surface by
turning the 3 Cutter Height Control Knobs all the
way up. Loosen the jam nuts using the 1-5/8”
wrench and raise the three elevating screws all the
way up. This allows access to the button head
screws holding the upper and lower covers on.
3. Remove the auxiliary belt cover over the engine
pulley using a 7/16” socket or wrench.
4.
Hydraulic Model (25P472):
Remove the main belt
guards using a 9/16” socket or wrench.
Gas Model (25P473):
Remove the exhaust using a
1/2” socket or wrench to remove the U-bolts.
Remove the belt guards using a 9/16” socket or
wrench.
5. Once the belt guards are out of the way, remove the
four motor plate screws using a 9/16” socket or
wrench.
If the engine has been running, wait until the exhaust
cools off as it may cause severe burns.
