1.D
1.F
1.C
1.A
1.A
1.F
1.B
1.G
1.D
1.E
Page 19
1.H
Note to Trent: Do not paste this table in S/M. Only use to modify on
on page 19
www
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11
• Model ST1½/ST40
st15dl4sm-rev0316
Air Valve with Stroke Indicator Assembly
MAIN AIR VALVE ASSEMBLY PARTS LIST
Item
Part Number
Description
Qty
1
031.098.156
Air Valve Assembly
1
1.A
031.012.000
Sleeve and Spool Set
1
1.B
095.043.156
Air Valve Body
1
1.C
132.014.358
Bumper
2
1.D
165.065.010
End Cap
2
1.E
170.032.330
Hex Head Capscrew 1/4-20 UNC 2B x .75 long
8
1.F
360.010.425
Gasket
2
1.G
210.008.330
Safety Clip
1
1.H
560.029.360
O-ring
2
For Pumps with Cast Iron Center Sections:
1
031.098.010
Air Valve Assembly
1
1.A
031.012.000
Sleeve and Spool Set
1
1.B
095.043.010
Air Valve Body
1
1.C
132.014.358
Bumper
2
1.D
165.065.010
End Cap
2
1.E
170.032.330
Hex Head Capscrew 1/4-20 UNC 2B x .75 long
8
1.F
360.010.425
Gasket
2
1.G
210.008.330
Safety Clip
1
1.H
560.029.360
O-ring
2
Air Distribution Valve Servicing
See repair parts drawing, remove screws.
Step 1:
Remove end cap retainer (1-G).
Step 2:
Remove end cap (1-E), bumper (1-D).
Step 3:
Remove spool part of (1-B) (caution, do not scratch).
Step 4:
Press sleeve (1-B) from body (1-A).
Step 5:
Inspect O-Ring (1-C) and replace if necessary.
Step 6:
Lightly lubricate O-Rings (1-C) on spool (1-B).
Step 7:
Press sleeve (1-B) into body (1-A).
Step 8:
Reassemble in reverse order.
Note:
Sleeve and spool (1-B) set is match ground to a specified clearance
sleeve and spools (1-B) cannot be interchanged.
LEGEND:
= Items contained within Air End Kits
Note:
Kits contain components specific to the material codes.
MODEL SPECIFIC
4: AIR
END
