Skyjack SJ519 TH, Service Manual

Page: 86 / 108

86
SJ519 TH 216942AC
Section 4 – Procedures 250 Hour or Quarterly Routine Maintenance
5.4-5 Change Engine Fuel filter and Fuel/
Water Separator
The engine has both a fuel filter and a fuel/water
separator to filter water, rust particles, dust and other
particles from the fuel. See figure below.
WARNING
The fuel pump high-pressure fuel lines and fuel rail
contain very high pressure fuel. Never loosen any
fittings while the engine is running. Personal injury
and property damage can result.
1. Ensure telehandler is on firm level surface.
2. Apply parking brake, shut down the engine and
remove key from ignition switch.
3. Unlatch engine compartment cover and lift it up.
4. Clean area around fuel filter and fuel/water
separator.
5. Place a container under filter and separator to
collect any escaping fuel when removing them.
6. Disconnect the water level sensor harness from
fuel/water separator.
7. Unscrew the drain plug assembly from bottom of
water separator.
8. Unscrew used fuel filter and separator. Discard
used filter and separator and any captured spilled
fuel.
Fuel Filter/
Water Separator
Water Level
Sensor
Harness
Water
Drain Plug
Fuel Filter
Figure 21 Fuel Filter & Water Separator
NOTE
Refer to your local/national regulations on how to
dispose of used filter and separator.
9. Clean the sealing surface of the new filter
cartridge and opposite side of filter head. If
necessary, replace O-ring on the filter head.
10. Lubricate O-ring seal and the sealing surface
slightly with fuel.
11. Install replacement filter and separator as
specified by manufacturer. Most filters have
instructions printed on the side. Torque to 13 ft.-lb.
(17-18 Nm)
12. Mount the drain plug on bottom of water
separator. Torque to 1 ft.-lb. (1.6 ± 0.3 Nm)
13. Check area around filter and separator for any
leaks.
14. Connect water level sensor harness to fuel/water
separator.
15. Prime fuel system after fuel filters have been
reinstalled as follows: Refer to figure below.
Primer
Pump Handle
Venting
Screw
Figure 22 Priming the Fuel System