Tennant 1620 Operator And Parts Manual page 12

OPERATION
WARNING: Batteries emit hydrogen gas.
Explosion or fire can result. Keep sparks and
open flame away. Keep battery compartment open
when charging.
FOR SAFETY: When servicing machine, wear
safety glasses when handling batteries or cables.
Avoid contact with battery acid.
ATTENTION: To prevent battery damage, do not
operate machine when battery meter reads in the
red zone.
1. Transport machine to a well ventilated area for
charging.
2. Park machine on a level surface and turn off all
switches.
3. Unlatch and open battery compartment hood,
remove filters and lift off metal seal plate
(Figure 26).
4. Check fluid level ''A" in each battery cell. Do not
charge batteries unless fluid is slightly covering
battery plates ''B". If needed, add just enough
distilled water to cover battery plates, do not
overfill. Batteries can overflow during charging due
to expansion. Replace cell caps before charging
(Figure 27).
A
5. With charger disconnected from machine, plug
charger's power cord into a grounded wall outlet
(Figure 28).
12
FIG. 26
B
FIG. 27
Grounded
3 Hole Outlet
Ground Pin
(120V)
6. Plug battery charger into machine's charging
receptacle as shown (Figure 29).
WARNING: Batteries emit hydrogen gas.
Explosion or fire can result. Keep sparks and
open flame away. Keep battery compartment open
when charging.
NOTE: Once charger is connected, machine
becomes inoperable.
7. Charger will automatically begin charging and shut
off when fully charged.
8. When disconnecting charger, always unplug
charger from wall outlet first.
9. After charging, check battery fluid level. Fluid level
should reach bottom of sight tubes. If needed, add
distilled water. DO NOT fill beyond bottom of sight
tube.
Grounded
Outlet
Grounding
Edge/hole
(230V)
FIG. 28
FIG. 29
Tennant 1620 (05–99)