FUEL INJECTION
Page 3B-24 90-883728 JULY 2001
Vapor Separator Float Test
NOTE: If squeezing the primer bulb in the Vapor Separator Fuel Delivery Test previous
provides adequate fuel to the vapor separator, the vapor separator float, needle and seat
is functioning properly and the following test does not need to be performed.
Purpose: This test will indicate if float is stuck in the up (closed) position.
NOTE: If float is stuck down, vapor separator will over flow causing a rich condition.
1. Place emergency stop switch in OFF position to prevent engine from starting.
2. Turn ignition key switch to “START” position and operate starter motor for 15 to 20 sec-
onds.
OFF
ON
START
3. Remove vapor separator drain plug and place a clean container under drain.
58891
Results: If fuel flow is low or not present, remove, disassemble and inspect float assembly. See vapor separa-
tor disassembly.
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