Fuel Pressure Regulator Removal - Mercury 200 OptiMax Jet Drive Service Manual

12. Note the dial indicator reading when the direct injector is actuated. The dial indicator measures the direct injector tip movement.
The dial indicator measurement should be within specification.
f
a - Dial indicator
b - Screw
c - Harness
d - Button
e - 9 V battery installed
f - Dial indicator set at zero
Pintle Test Fixture
Dial Indicator
Description
Screw
Direct Injector Specification
Direct injector pintle movement
13. If the test result is not within specification, the direct injector is defective.

Fuel Pressure Regulator Removal

1. Remove the four screws securing the fuel pressure regulator cover and 4.5 kg (10 lb) spring to the fuel rail.
2. Inspect the fuel pressure regulator diaphragm for damage.
90-8M0050731 MAY 2011
a
b
c
Direct Fuel Injection
d
e
29088
91‑899883A08
91‑ 58222A 1
Nm lb‑in.
1.7
0.020–0.031 mm (0.008–0.012 in.)
lb‑ft
15
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