SMITH 185120 Compatible Gasket Repair Kit Instructions
- June 9, 2024
- Smith
Table of Contents
185120 Compatible Gasket Repair Kit
Instructions
185120 Compatible Gasket Repair Kit
Pump Mechanism
- Pump gasket holds air pressure in the tank.
- Check valve seals bottom of pump tube.
- Plunger cup forces air through the pump tube into the tank.
Pump Tube Gasket
Inspect the pump tube gasket when tank pressure frequently drops after pumping. Replace gasket when swollen or cracked.
Plunger Cup
Replace plunger cup every 2 years and install a new pressure plate with new cup.
Pump Mechanism
Clean holes in pump tube only with nylon brush.
Replace check valve when plunger tube fills with liquid.
Pump Lock Spring
Replace pump lock spring when plunger cup is replaced.
Hose Gasket
When hose is attached too tight the gasket opening closes and flow of liquid
is blocked.
Damaged gasket must be replaced. Nylon gasket will not return to original
shape.
Straciner Gasket
Nozzle Gasket
Gasket seals orifice openings in nozzle.Nozzle leaks without this gasket.
Soft Seat Gasket
Gasket seals liquid flow to nozzle. Nozzle leaks when this gasket is dirty or worn.
Replacing Valve Spring
Remove valve trigger and disconnect cable. Disconnect extension from valve.
Pull short length of cable from valve to extend cable at nozzle.
Valve Spring
Unscrew / remove seat stem and nut to replace old valve spring.
Valve Spring- Finish
(9 in. Extension)
Screw seat stem nut to 4 threads from base of cable, then tighten seat stem against nut.
Valve Spring- Finish
(18 in. Extension)
Screw seat stem nut to base of cable, then tighten seat stem against nut.
Replace Packing Washers
Disassemble the valve, remove Packing nut.
Pull cable from the valve and set aside the extension for re-assembly.
Remove Old Washers
Use flat or Phillips-head screw drier to remove old washers from valve.
Replace Packing Washers
Push cable back into valve, re-attach extension to the valve body.
Place new packing washers onto the end of the cable.
Cables and Washers
Variability in diameter of cables and center hole of packing washer results in difficulty placing washers on the cable.
Packing Washer Hole
Enlarge washer hole by moving end of cable in the hole. Grip washer firmly with pliers.
Packing Washers – Finish
Screw the Packing nut into the valve body only to the top of the threads.
