SUNWARD SWTH634 - Every 500 Hours Service

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5.4.4 EVERY 500 HOURS SERVICE
D1: Replace the air filter cartridge
 The air used to burn the fuel is purified by a dry air filter. The
lift truck should never ever be used if the air filter has been
removed or is damaged.
 Slacken the shackle, remove cover.
 Now unscrew nut that fixes filtering cartridge, remove this latter and discard.
 Clean the inside part of the filter with a damp, clean lint-free cloth.
 Never ever use compressed air!
 Fit a new cartridge in place of the old one and fix it with shackle .Replace cover with the valve
pointing downwards and lock it
.
D2: Replace the primary fuel
filter/water separator
 Thoroughly clean fuel filter assembly and
surrounding area.
 Loosen vent screw (D) on the top of the filter
head several turns.
 Disconnect water sensor wiring (B) from the
(A)filter.
 Loosen drain plug (C) and drain fuel into a
suitable container.
 When fuel has drained, turn the drain plug out
completely.
 Using a filter wrench, remove the filter (A) from
the filter head.
 Inspect filter head for cleanliness. Clean as
required.。
 Apply a small amount of fuel to the sealing gasket
of the replacement filter.
 Turn replacement filter onto filter head until the filter
contacts the filter head, then turn an additional 3/4 turn.
 Turn drain plug into filter and re-connect the water
sensor wire.
 To release the fuel priming pump, grasp fuel priming
pump knob (A) and push in while turning it
counter-clockwise.
 Operate the priming pump until fuel flows from the
vent screw (B) on the top of the filter head.
 Return the priming pump to the locked position by pushing it fully in and turning it clockwise.
 Then tighten the vent screw (B).