1 LH PANEL ASSEMBLY (1). Remove
Some testers have dual secondary
by turning three pawl fasteners (2)
fuel filters while other testers have
counterclockwise until they release.
only other testers have only one.
Disregarding quantity differences,
the maintenance instructions are
the same for both except where
noted. The following procedures
are for testers with dual
secondary fuel filters.
For testers with a single secondary fuel filter,
omit step 2 as there is not a plug to remove.
Pour out fuel after removing body assembly.
2 TWO PLUGS (3). Remove using a 7/16-in. open end wrench
and drain fuel into an available minimum-size 2-qt (1.89-l)
Hold body assemblies when loosening capscrews.
3 TWO CAPSCREWS (4) WITH TWO GASKETS (5). Loosen
using a 1-in. open end wrench.