EN
ENGLISH
MAINTENANCE
MAINTENANCE SCHEDULE
Maintenance Item
Charge Batteries
Check/Replace Dust Bags
Check/Replace Skirt
Clean Pad
Lubrication
Check/Service Pad Motor Brushes
Service Drive Motor Brushes
BATTERY MAINTENANCE
Charge the batteries each time the machine is used for 1 hour or longer,
or whenever the Battery Meter reads in the red area.
To Charge the Batteries...
1 Remove cover.
2 Plug charger in.
3 Check the fluid level in all battery cells after charging the batteries.
Add distilled water, if necessary, to bring the fluid level up to the
bottom of the filler tubes.
CAUTION!
To avoid damage to floor surfaces, wipe water and acid from the top
of the batteries after charging.
CAUTION!
Acid can spill onto the floor if the batteries are overfilled.
IMPORTANT
Motor damage resulting from failure to service carbon brushes is
not covered under warranty. See the Limited Warranty statement.
SPECIFICATIONS
SPECIFICATIONS:
Model
Power Supply
Motor, Pad
Motor Traction
Drive System
Pad
Pad Speed
Pad Pressure
Speed, Forward
Speed, Reverse
Vibration
Sound Level (dbA)
Drive Wheel
On-board Charger
Length
Width
Height
Burnishing Swath
Polishing Rate
Weight (w/o batteries)
8 - FORM NO. 71456A - UHB 51-1500
Daily
Monthly
Yearly
x
x
x
x
x
x
x
UHB 51-1500
36 volt
1.5 kW (2.0 hp) 55 amp
.37 kW (.5 hp) PM
Direct Drive
51cm (20")
1500 rpm
Automatic
0 - 73 m/min (0-240 ft/min)
0 - 52 m/min (0-170 ft/min)
<7.6 mm/s
68
4cmx20cm (1.62"x8.00")
Standard 36V, 21A
127cm (50 inches)
58cm (23 inches)
105cm (41.25 inches)
51cm (20 inch)
2230 sq. m/hr. (24,000 sq. ft/hr)
79 kg / 174 lbs.
TROUBLESHOOTING
MACHINE VIBRATION
1 Pad is not centered properly.
2 Defective pad. Replace.
SWIRL MARKS
1 Pad is too aggressive for the floor finish.
2 Pad is dirty, Check and replace.
REDUCED RUNNING TIME
1 Battery needs to be charged.
2 Batteries need water. Add just enough to cover the plates in each
cell. Then charge the batteries and check the water level again.
(E) PAD ASSIST MACHINE DOES NOT PULL ITSELF
For pad assist adjustment, follow the steps below (see steps 1 - 6 in Figure
E):
1 Tip burnisher back as shown to gain access to the pivot bracket.
2 Remove the dust bag.
3 Pull down on the dust skirt to gain access to the adjustment hard-
ware.
4 Lossen pivot bracket adjustment hardware and pivot bolts and rotate
bracket counterclockwise to increase pad assist.
5 Pivot braket has slots to allow adjustment.
6 Adjust pivot bracket so pad is tipped down towards the RH side of the
machine to increase the pad assist. Then retighten the adjustment
hardware.
CAUTION!
Pad assist will vary depending on the aggressiveness of pad and
the floor finish. If the deck is angled too much it could result in the
pad burning the floor on the RH side.