John Deere 318 - Manual (Page 280)

M37457 -UN-25JAN90
IMPORTANT: DO NOT hold dashpot using a
pliers. Dashpot can be damaged.
If adjustment is necessary, loosen lock nut (A).
Turn dashpot until clearance is obtained. Hold
dashpot while tightening lock nut.
AFTER ADJUSTMENT:
GO TO
Ò
and adjust
governor linkage.
Ú
FUEL FILTER TEST
M37079 -UN-29AUG88
Disconnect fuel filter outlet hose. Hold fuel filter
in a graduated container.
Crank engine for 30 seconds and record amount
of fuel.
Minimum fuel flow is 120 mL/30 seconds (4
oz/30 seconds).
Ü
FUEL TRANSFER
PUMP TEST
Start and run engine at
slow idle for five
minutes to fill
carburetor with fuel.
Stop the engine.
M55110 -UN-09DEC89
Disconnect and plug fuel pump inlet hose (A).
Connect vacuum gauge (B) to fuel pump inlet.
Start and run engine at slow idle for 15 seconds,
then record vacuum reading.
Run engine at fast idle
for 15 seconds, then
record vacuum reading.
Minimum vacuum at
slow and fast idle is 9
kPa (2.6 in. mercury).
Stop the engine.
Remove vacuum
gauge.
Connect fuel pump inlet
hose.
M55111 -UN-09DEC89
Disconnect and plug fuel pump outlet hose (A).
Connect JDG356 Pressure Test Kit (B) to fuel
pump outlet.
Start and run engine at slow idle for 15 seconds,
then record pressure reading.
Run engine at fast idle for 15 seconds, then
record pressure reading.
Minimum pressure at slow and fast idle is 12
kPa (1.7 psi).
MX,159022010,21-19-27APR95
MX,159022010,22-19-03MAY95
MX,159022010,23-19-03MAY95
Diagnosis, Tests and Adjustments/Fuel Transfer Pump Test
TM1590 (17MAY95)
220-10-10
316, 318 & 420 Lawn and Garden Tractors
020895
220
10
10