Air Purge - UniCarriers 1F1 Operator's Manual

!
CAUTION
• Parts may remain very hot immediately after the engine has
stopped. Wear protective gloves and perform the operation
carefully so as not to touch possible hot parts around the
water drain cock.
• Fuel may spout out along with water being drained. If fuel
splashes over parts, wipe it off completely.
• If operation is continued for a long time while the sediment
chamber (fuel filter) level warning light is illuminated, the fuel
injection pump might seize up.
1. Open the top panel
(refer to page 83).
2. Place a container under the
fuel filter.
3. Put a container under the
water drain cock and loosen
the water drain cock 4 to 5
turns to drain the water.
4. After the water has been
completely drained, tighten
the drain cock.
5. Perform air purge operation (at right).
Priming pump
Air
bleeding
screw
Water drain cock
Open
Fuel filter
Close

AIR PURGE

(DIESEL LIFT TRUCKS)
!
• Never allow open flames, smoking or other sources of
ignition in the operation area.
!
• Do not remove the screw completely, otherwise a large
amount of fuel may spout out.
• Fuel may spout out from the air purge screw hole during
air purge. Be sure to block the hole with a cotton cloth or a
similar item to prevent fuel from splashing over surrounding
parts.
• If fuel spills during replenishment, be sure to wipe it off.
NOTE:
Air purge operation for diesel engine lift trucks is not normally
necessary. If it becomes necessary follow the procedure below.
When refilling an empty fuel tank and/or draining water from the water
separator, purge the air out of the fuel system.
1. Loosen the air purge screw at the upper part of the fuel filter.
2. Move the priming pump up and down until no further air-bleed
comes out of the air purge screw.
3. Tighten the air purge screw.
110
WARNING
CAUTION