Battery Replacement; Inspect Muffler And Spark Arrester - Generac Power Systems XT8500EFI Owner's Manual

3. Clean air filter cover before installation.
NOTE: To order a new air filter, contact the
nearest IASD at 1-888-GENERAC (1-888-
436-3722).
B
A
Figure 4-3. Air Filter Assembly
Service Spark Plug
To service spark plug:
1. Clean area around spark plug.
2. Remove and inspect spark plug.
3. See Figure 4-4. Inspect electrode gap with
feeler gauge and reset spark plug gap to
0.028-0.031 in (0.70-0.80 mm).
Figure 4-4. Spark Plug
NOTE: Replace spark plug if electrodes are
pitted, burned or porcelain is cracked. Use
ONLY recommended replacement plug. See
Specifications.
4. Install spark plug finger tight, and tighten
an additional 3/8 to 1/2 turn using spark
plug wrench.

Battery Replacement

NOTE: The battery shipped with the generator
has been fully charged. A battery may lose
some charge when not in use for prolonged
periods of time. The battery may have to be
charged before the first use. Running the gen-
erator will charge the battery.
WARNING
Accidental Start-up. Disconnect the negative battery
cable, then the positive battery cable when working
on unit. Failure to do so could result in death
or serious injury.
1. See Figure 4-5. Disconnect and remove
the battery connecting hardware (8mm)
and BLACK wire (B) from the battery's
NEGATIVE (-) terminal.
Owner's Manual for Portable Generator
2. Remove the red rubber boot (A) and dis-
connect the battery connecting hardware
(8mm) and RED wire (A) from the battery's
POSITIVE (+) terminal.
3. Remove screws and bracket from battery
tray to remove battery.
4. Install new battery and replace battery
bracket and screws.
5. Connect RED wire to the POSITIVE (+)
battery terminal (A). Slide rubber boot over
connection hardware.
6. Connect BLACK wire to the NEGATIVE (-)
battery terminal (B).
010217
Environmental Hazard. Always recycle batteries at an
000211
official recycling center in accordance with all local
laws and regulations. Failure to do so could result in
environmental damage, death, or serious injury.
Battery Charger Fuse Replacement
The charging port is protected by a 3.0 Amp
replaceable in-line fuse. If the charger is not
charging the battery, check the fuse.
NOTE: To order a new fuse, contact the near-
est IASD at 1-888-GENERAC (1-888-436-
3722).
The battery charger fuse is located behind the
control panel.
Inspect Muffler and Spark
Arrester
NOTE: It is a violation of California Public
Resource Code, Section 4442, to use or oper-
ate the engine on any forest-covered, brush-
covered, or grass-covered land unless the
exhaust system is equipped with a spark
(000130)
arrester, as defined in Section 4442, main-
tained in effective working order. Other states
or federal jurisdictions may have similar laws.
A
Figure 4-5. Battery Connection
WARNING
Risk of burn. Do not open or mutilate batteries.
Batteries contain electrolyte solution which can
cause burns and blindness. If electrolyte contacts
skin or eyes, flush with water and seek immediate
medical attention.
WARNING
B
006476
(000163a)
(000228)
17