7.7
3507, 3508, 3509, 3512, 3513, 4007, 4008, 4009, 4012, 4013
Engine: Perkins 1104-42 & 1104-42T
Note:
When using diesel fuel with a sulfur content below
1.3 percent, the filter change interval must be reduced by
75 hours. The use of fuel with a sulfur content above
1.3 percent is not recommended.
7.6.2
Fuel Tank
Note:
The fuel tank is a one piece unit. It is located at
the rear of the machine, between the frame. If it is
determined that the fuel tank must be removed, the fuel
must be drained before tank removal. Always dispose of
fuel properly.
a. Fuel Tank Removal
1. Park the machine on a firm, level surface, level the
machine, raise the boom to access the fuel tank,
place the transmission control lever in
(N) NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and steering wheel, stating that the machine
should not be operated.
3. Open the engine cover. Allow the engine to cool.
4. Remove the boom. Refer to Section 3.3.1, “Boom
Removal.”
5. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
Note:
If replacing the tank, remove all internal and
external components from the old tank, and retain for
use on the replacement tank.
Note:
Have a dry chemical (Class B) fire extinguisher
near the work area.
6. Remove fuel tank drain plug (
10
), and drain fuel into
an approved and suitable container. Dispose of fuel
properly. Reinstall the fuel tank drain plug and torque
to 26 Nm (19 lb-ft).
7. Loosen and remove the strap over the fuel tank and
disconnect the fuel supply hose (
11
) and return line
hose (
12
) from tank.
8. Disconnect fuel level sender (
13
) electrical
connectors from the fuel level sender.
9. Remove screws securing fuel sender to the tank.
Remove fuel sender from tank.
10. Lift the empty fuel tank from between the frame rails.
b. Disassembly
The fuel tank is a one-piece unit and cannot be
disassembled. The fuel level indicator can be removed
and reused on the new replacement tank.
c. Cleaning and Drying
If contaminated fuel or foreign material is in the tank, the
tank can usually be cleaned.
Note:
If a leak is suspected in the fuel tank, contact your
local
JLG
distributor.
To clean the fuel tank:
1. Have a dry chemical (Class B) fire extinguisher near
the work area.
2. Remove the fuel or oil tank drain plug, and safely
drain any fuel into a suitable container. Dispose of
fuel properly.
3. Clean the fuel tank with a high-pressure washer, or
flush the tank with hot water for five minutes and
drain the water. Dispose of contaminated water
properly.
4. Add a diesel fuel emulsifying agent to the tank. Refer
to the manufacturer’s instructions for the correct
emulsifying agent-to-water mixture ratio. Refill the
tank with water, and agitate the mixture for 10
minutes. Drain the tank completely. Dispose of
contaminated water properly.
5. Refill the fuel tank with water until it overflows.
Completely flush the tank with water. Empty the fuel
tank, and allow it to dry completely.
MZ0100
10
13
12
11
