TM 55-2210-224-12
4-26. SAND CONTROLLER (cont)
CLEANING, INSPECTION, AND REPAIR (cont)
11.
Inspect parts for cracks, breaks, and damage. Inspect gate seat, gasket, and seals for
serviceability.
12.
Repair consists of replacement of damaged parts.
ASSEMBLY
13.
Install two O-rings (28) on sand controller valve (26).Position sand controller valve in sand
controller body (27).
14.
Install controller retainer (25), lockwasher (24), and screw (23).
15.
Install pipe plug (22).
16.
Install gasket (21) in delivery flange assembly (20).Install delivery flange assembly on
sand controller body (27).
17.
Install two O-rings (19) on two pivot pins (17).Position gate (18) in sand shutoff body (13)
and install pivot pins. Install two roll pins (16).
18.
Install gate seat (15).
19.
Position gasket (14) and install shutoff body (13) on sand controller body (27).Install four
lockwashers (12) and nuts (11).
INSTALLATION
20.
Position sand controller (9) on adapter flange (10) and install four nuts (7) and
lockwashers (8).
21.
Install nipple (6).Install hose (5) on nipple and tighten hose clamp (4).
22.
Apply antiseize tape to threads and install street elbow (3) and male half union (2).Connect
air line fitting (1).
23.
Start locomotive (para 2-10 and 2-11).After air pressure buildup, check sand controller for
proper operation.
4-70
