Nilfisk-Advance CS7000 - To Adjust the Belt Tension on the High Pressure Pump

Solution System 331Service Manual – CS7000
To Adjust the Belt Tension on the High Pressure Pump
1. Drain and remove the recovery tank.
2. Loosen the four 3/8”-16 Screws
holding the High-pressure
Pump Assembly
to the machine
frame.
3. Loosen the Locknuts on the
two Tension Adjust Screws.
4. Adjust the Tension Adjust
Screws
to move the High-
pressure Pump Assembly
up or
down as necessary to obtain
the correct drive belt tension
as follows:
• LPG Machines - For a
new belt, a deection of
0.12” when a force of 2.6 to
2.8 lbs is applied and for
a used belt a deection of
0.12” when a force of 2.2 to
2.4 lbs is applied..
• Diesel Machines - For
a new belt, a deection of
0.13” when a force of 2.4 to
2.5 lbs is applied and for
a used belt a deection of
0.13” when a force of 2.1 to
2.2 lbs is applied.
5. When the belt tension is correct:
a. Hold the Tension Adjust Screws in position to keep them from turning, then tighten the Locknuts.
b. Tighten the four 3/8”-16 Screws.
3/8”-16
Screw (4)
Locknut (2)
Tension
Adjust
Screw (2)
High-pressure
Pump Assembly