Smithco Spray Star 1760 (Sn 176G012 – Current) Parts & Service Manual - Manual (Page 70)

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Accessories
16-524 MOTORIZED CONTROL VALVE
WHEN SERVICING VALVE:
Replace valve body with ISO-Body Kit if valve has been
leaking internally.
Replace motor assembly if the motor will not run.
Before reassembling valve, remove the coupler shaft
from the valve body. Apply Loctite to coupler shaft and
woodruff key. Place the coupler shaft (Ref 5) and the
woodruff key (Ref 4) onto the motor shaft. Plug motor
into the valve connector coming from Sprayer Control
Console. Check that the motor rotates in both direc-
tions. Motor must stop when coupler shaft CAM re-
leases printed circuit board button.
When reassembling valve, grease both sealing sur-
faces of coupler shaft. Insert coupler shaft into Iso-
flange and be sure seal properly seats on shaft. Install
motor on valve body and apply silicon sealant to
mounting holes. Reassemble remaining items as
shown in parts diagram.
REF# PART# DESCRIPTION QUANTITY
1 16-870 Valve Cover 1
2* 16-524-01 #6 Self Tapping Screw 3 /
4
" Long 6
3 16-875 Motor Assembly 1
4* 16-957 Woodruff Key 1
5* 16-524-02 Coupler Shaft 1
6* 16-897 Seal Tetraseal 1
7* 16-524-06 Valve Body Assembly 1" 1
8* 16-956 Butterfly 1
9* 16-524-04 Isolation Flange Assembly 1
* 16-524-05 1" Valve ISO-Body Kit