Every 6 Months
(Every 600 Hours)
Call your Authorized NSS Distributor / Service
Station to have the following services performed.
Verify that all daily, weekly, monthly and quarterly
maintenance has been performed.
Inspect Brush Motor carbon brushes for wear.
x
Using compressed air, blow the accumulated
carbon brush dust out of the motor.
x
Replace carbon brush when they measure ½” or
less in length.
x
Failure to replace carbon brushes will cause poor
machine performance and possible motor damage.
Check the condition of the batteries.
x
A battery may be checked using a Hydrometer to
check the specific gravity (strength) of the acid in
each cell. Variations in readings occur due to the
chemical reaction taking place during use.
x
Always check the specific gravity when the battery
is fully charged.
x
Replace batteries as needed.
Battery Installation:
x
Turn off all switches. Disconnect battery pack from
the machine.
x
ALWAYS
wear eye protection, rubber gloves and
protective clothing to avoid contact with battery
acid when installing batteries. See Battery
Warnings on page 2.
x
Remove the side panel and top cover. There are
two bolts (one in each corner) on top of the side
panel and two nuts (one in each corner) at the
bottom of the cover. Note that the nuts at the
bottom are not visible from the side.
x
The cover will still be attached to the side panel.
Move them out of the way to install the Batteries.
x
Batteries are heavy –
ALWAYS
use two people to
install batteries into machine.
x
Refer to wiring diagram located on the under side
of the cover. Align batteries in compartment the
same as the old batteries or as shown on diagram.
x
Install battery cables the same as they were on the
old batteries or as shown on wiring diagram
located on the under side of the cover.
x
NSS
recommends replacing the battery cables
when replacing batteries.
x
Tighten bolts and hex nuts with a wrench.
x
Install terminal boots over terminals to complete
installation.
CAUTION
: Do not short across two terminals with a
wrench.
CAUTION:
Loose or improper battery connections
will cause battery or machine damage and possible
personal injury.
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