Product Manual

s1fmdl1sm-rev0614

sandpi p erpump .com

17 • Model S1F Metallic

Intermediate Assembly

IMPORTANT

When the pumped product source is at a higher

level than the pump (ooded suction condition),

pipe the exhaust higher than the product source

to prevent siphoning spills. In the event of a

diaphragm failure a complete rebuild of the

center section is recommended.

Intermediate Assembly Parts List

Item Part Number Description Qty

5 114.025.157 Intermediate 1

114.025.010 Intermediate Cast Iron Centers 1

7 135.036.506 Bushing, Plunger* 2

21 560.001.360 O-Ring 2

25 620.022.115 Plunger, Actuator* 2

26 675.042.115 Ring, Retaining 2

28 720.010.375 Seal, Diaphragm Rod* 2

Intermediate Assembly Drawing

Step 1: Remove plunger, actuator (25) from center of

intermediate pilot valve cavity.

Step 2: Remove Ring, Retaining (26), discard.

Step 3: Remove bushing, plunger (7), inspect for wear

and replace if necessary with genuine parts.

Step 4: Remove O-Ring (21), inspect for wear and

replace if necessary with genuine parts.

Step 5: Lightly lubricate O-Ring (21) and insert into

intermediate.

Step 6: Utilizing a new Ring, Retaining (26) reassemble

in reverse order

Step 7: Remove Seal, Diaphragm Rod (28).

Step 8: Clean seal area, lightly lubricate and install new Seal,

Diaphragm Rod (28).

4: AIR END