Battery Cable Connection; Add Engine Oil - Generac Power Systems XT8500EFI Owner's Manual

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E
Figure 2-10. Frame Foot and Control Guard
Assembly
Install the handle (L) as follows:
1. Place handle brackets between the frame
tabs.
2. Slide hex bolt (M) through frame, nylon
washers (N), and handle bracket. Place
washers (N) on each side of the handle
brackets and frame.
3. Install hex lock nut (P) and tighten with a
ratchet, 13mm socket and 13mm wrench.
L
N
Figure 2-11. Handle Assembly

Battery Cable Connection

Equipment damage. Do not make battery
connections in reverse. Doing so will result
in equipment damage.
The unit has been shipped with the battery
cables disconnected.
See
Figure
4-5. You will need two 8mm box
wrenches to connect the battery cables.
1. Cut off cable ties securing battery cables
and remove red cover from battery termi-
nal.
2. First, connect the red cables to the positive
(+) battery terminal with the bolt and nut
supplied.
3. Make sure connections are secure and
slide rubber boot over the positive (+) bat-
tery terminal and connection hardware.
10
H
G
010043
F
P
010214
CAUTION
(000167a)
4. Connect the black cables to the negative
(-) battery terminal with the bolt and nut
supplied. Slide rubber boot over the neg-
ative (-) battery terminal and connection
J
hardware.
5. Make sure all connections are secure.
NOTE: With key in RUN position, the fault
indicator light will flash rapidly if battery power
is too low and the engine will not start. Charge
K
battery with appropriate 12V charger.

Add Engine Oil

Engine damage. Verify proper type and quantity of
engine oil prior to starting engine. Failure to do so
could result in engine damage.
1. Place generator on a level surface.
2. Disconnect the spark plug wire from the
spark plug and place the wire where it
cannot contact spark plug.
3. Verify oil fill area is clean.
4. Remove oil fill cap/dipstick and wipe dip-
stick clean. See
M
5. Slowly pour oil into oil fill opening. DO
NOT overfill. Climate determines proper
engine oil viscosity. See chart to select
correct viscosity.
NOTE: Use petroleum based oil (supplied) for
engine break-in before using synthetic oil.
.
NOTE: Some units have more than one oil fill
location. It is only necessary to use one oil fill
point.
CAUTION
Figure
Figure 2-12. Remove Dipstick
10W-30
Synthetic 5W-30
Owner's Manual for Portable Generator
(000135)
2-12.
000115
SAE 30
000399

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Do you have a question about the XT8500EFI and is the answer not in the manual?

Questions and answers

scott
January 19, 2025

what is the part with the copper posts that the positive and negative battery cables hook up to, broke the post and need a replacement part

User image 678d6034c7ffb
Amaury
March 10, 2025

The engine running but there's no electrical output

1 comments:
Mr. Anderson
March 10, 2025

The Generac Power Systems XT8500EFI engine may be running but not producing electrical output due to the following possible causes:

1. Circuit breaker is open – Reset the circuit breaker.
2. Poor connection or defective cord set – Check and repair the connection or replace the cord set.
3. Connected device is faulty – Connect another device that is known to be in good condition.
4. Fault in the generator – Contact an Independent Authorized Service Dealer (IASD).
5. GFCI breaker module is open – Correct the ground fault and press the reset button on the GFCI breaker module.

These steps can help diagnose and resolve the issue.

This answer is automatically generated

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