Table 2-11.
Item
No.
17
Interval
Before
Preventive Maintenance Checks and Services for Pumping Assembly
Model 609-C.
(continued)
Location
Item to
Check/Service
ENGINE - CONT
Air Cleaner
Procedure
Check air filter restriction
g a u g e i n d i c a t i o n . If
indication is in or close to
red band, notify unit
maintenance.
18
Before
Fuel Filters
Not Fully Mis-
sion Capable if:
R e s t r i c t i on
gauge indication
is in red band.
Drain water from primary fuel
filter by rotating knob on
bottom of filter. When clear
fuel is seen at drain hose
o u t l e t, turn knob in opposite
direction to stop flow. Repeat
for secondary fuel filter.
C l a s s I , I I , or
III leak.
Cracked or
damaged filter.
2-48
