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BATTERY MAINTENANCE
1.
Keep tops of batteries clean and dry.
Use a damp cloth with a weak
SOlutlOn
of baking soda or ammonia and water.
Use a clean dry cloth to wipe battery
tops dry after cleaning.
2.
If
corrosion (white deposits) appears on
the battery terminals and cable clamps,
remove and clean. Use a battery terminal
and connector cleaning tool.
BATTERY TERM
I
N
AL CLEAN E
R
2.
Check motor brushes
-
when worn to
318"
length replace both brushes.
3.
Keep the battery electrolyte at the
correct level
-
approximately
114
"
below
bottom of filler tube of each cell. Dis
-
tilled
water should be added, as needed,
AFTER
charging cycle.
WARNING:
Do not allow electrolyte
level to drop below the tops of the plates.
SERVlClNQ
THE
PT-20
SCRUBBER
CAUTION:
Before making any adjust
-
ments or repairs to the machine..
.
1.
Only qualified maintenance personnel
are to perform repairs.
2.
Make sure battery charger is dlscon
-
nected.
3.
Make sure all switches are
"
OFF
"
4.
Remove batteries as required or dlscon-
nect main battery leads from batteries
when making repairs to electrical
system.
VACUUM
MOTOR
1.
Disconnect motor leads from connector
and
lift out vac motor.
DRIVE CHAIN
1.
Remove left side skirt and side panel.
2. To
remove chain, remove retaining clip
and pull out master link.
3.
To
adjust chain tension
. . .
A.
Remove traverse drive pulley.
2.
Remove pulley to allow removal of left
3.
Remove right hand pivot bolt, bushing
hand lift arm.
and lift arm.
4.
To
check gear unit oil level
-
remove
Inspection plug;
oil should be at the
bottom of hole.
To
add
011,
remove
fill
plug and add
90
welght oil as needed.
B.
Loosen lock nut and back out screw
(I)
turn.
C.
Use a hammer and punch to rotate
the eccentric bushing to tighten or
loosen the drive chain.
TRAVERSE DRIVE
MOTOR
1.
Remove lower right hand side skirt.
2.
Disconnect motor leads from terminal
block.
3.
Remove snap ring from end of motor
pivot shaft.
QEAR
UNIT
1.
Loosen belt tension screw and remove
belts.
5