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Generac Power Systems 8KW User Manual

Generac Power Systems 8KW
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Section 4 -- Maintenance
Air-cooled Generators
MAINTENANCE
Figure 4.8 - Setting the Spark Plug Gap
SET PLUG GAP AT 0.76 mm (.030 inch) - 8, 10 &
20kW; 1.02 mm (.040 inch)=12, 14, 16 & 17kW
4.6 BATTERYMAINTENANCE
The battery should be inspected per the "Service
Schedule" section. The following procedure should be
followed for inspection:
1. Inspect the battery posts and cables for tightness
and corrosion. Tighten and clean as necessary.
2. Check the battery fluid level of unsealed batteries
and, if necessary, fill with Distilled Water Only. Do
not use tap water in batteries.
3. Have the state of charge and condition checked.
This should be done with an automotive-type bat-
tery hydrometer.
Do not dispose of the battery in a fire. The
battery is capable of exploding.
/_ A battery presents a risk of electrical shock
and high short circuit current. The following pre-
cautions are to be observed when working on
batteries:
Remove the 7.5A fuse from the generator control
panel.
Remove watches, rings or other metal objects;
Use tools with insulated handles;
Wear rubber gloves and boots;
Do not lay tools or metal parts on top of the
battery; and
Disconnect charging source prior to connecting or
disconnecting battery terminals.
-_ WARNING
/_ Do not open or mutilate the battery. Released
electrolyte has been known to be harmful to the
skin and eyes, and to be toxic.
/_ The electrolyte isa dilute sulfuric acid that is
harmful to the skin and eyes. It is electrically
conductive and corrosive. The following
procedures are to be observed:
Wear full eye protection and protective clothing;
Where electrolyte contacts the skin, wash it off
immediately with water;
Where electrolyte contacts the eyes, flush thor-
oughly and immediately with water and seek
medical attention; and
Spilled electrolyte is to be washed down with an
acid neutralizing agent. A common practice is to
use a solution of 1 pound (500 grams) bicarbonate
of soda to 1 gallon (4 liters) of water. The bicar-
bonate of soda solution is to be added until the
evidence of reaction (foaming) has ceased. The
resulting liquid is to be flushed with water and the
area dried.
z_ Lead-acid batteries present a risk of fire because
they generate hydrogen gas. The
following procedures are to be followed:
DO NOT SMOKE when near the battery;
DO NOT cause flame or spark in battery area; and
Discharge static electricity from body before touch-
ing the battery by first touching a grounded metal
surface.
AX
Be sure the AUTO/OFF/MANUAL switch is set to
the OFF position before connecting the battery
cables. If the switch is set to AUTO or MANUAL,
the generator can crank and start as soon as the
battery cables are connected.
Be sure the utility power supply is turned off
and the 7.5A fuse is removed from the genera=
tot control panel, or sparking may occur at the
battery posts as the cables are attached and
cause an explosion.
4.7 ADJUSTINGGH-410/GT-530/
990/999 VALVE CLEARANCE
After the first six (6) months of operation, check
the valve clearance in the engine, adjust if neces-
sary.
Important: If feeling uncomfortable about doing
this procedure or the proper tools are not available,
please contact the Dealer for service assistance. This
is a very important step to ensure longest life for the
engine.
To check valve clearance:
+ The engine should be cool before checking. If
valve clearance is 0.002"- 0.004" (0.05 - 0. lmm),
adjustment is not needed.
+ Remove spark plug wires and position wires away
from plugs.
+ Remove spark plugs.
25

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Generac Power Systems 8KW Specifications

General IconGeneral
BrandGenerac Power Systems
Model8KW
CategoryInverter
LanguageEnglish

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