9.
Start the engine and raise the rpm for one min-
ute to purge air.
47–03 LNG Fuel System
Inspecting
WARNING
Natural gas is highly flammable. See the safety
precautions listed in Chapter 16 of the
Business
Class® M2 Driver’s Manual
or
Group 47
of the
Business Class® M2 Workshop Manual
. Failure to
f470415
10/16/2001
1
2
3
4
5
6
7
8
9
11
12
10
1.
Filter Vent
2.
Vent Seal
3.
Filter Collar
4.
Filter Cover
5.
Cover Seal
6.
Filter Spring
7.
Filter Element
8.
Temporary Filter Stud
9.
Fuel Outlet
10. Check Valve Fuel Inlet
11. Drain
12. Electric Filter Preheater
(optional)
Fig. 2, Davco Fuel Pro® 232 and 233
Fuel
47
Business Class M2 Maintenance Manual, August 2015
47/3
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