4-26. SAND CONTROLLER (cont)
Remove four nuts (11) and
lockwashers (12). Remove sand
shutoff body (13) and gasket (14).
Remove gate seat (15).
Remove two roll pins (16), pivot
pins (17), and gate (18). Remove
two O-rings (19).
Remove delivery flange assembly
(20). Remove gasket (21).
Remove pipe plug (22).
Remove screw (23), lockwasher (24).
and controller retainer (25).
Remove sand controller valve (26)
from sand controller body (27).
Remove two O-rings (28).
CLEANING, INSPECTION, AND REPAIR
Drycleaning solvent P-D-680 is
toxic and flammable. Wear
protective goggles and gloves and
use only in a well-ventilated
area. Avoid contact with skin,
eyes, and clothes and don't breathe
vapors. Do not use near open flame
or excessive heat. The flash point
is 100 - 138°F (38 - 59°C). If you
become dizzy, get fresh air and
medical aid immediately. If
contact with eyes is made, wash
your eyes and get medical aid
Compressed air used for cleaning
purposes will not exceed 30 psi
(207 kPa). Do not direct com-
pressed air against skin. Use
goggles or full face shield.
Clean parts with drycleaning solvent and dry with compressed air.