Page 1
DEMA SURE-MEASURE DISPENSER MODEL 301B, 301B-S
INSTALLATION INSTRUCTIONS
1. PARTS:
A. Pump assembly
B. Plastic tubing, 8' lg.
C. 3 sheet metal screws in envelope.
D. 5/8" hex nut.
2. INSTALLATION:
Mount pump on wall using screws provided. Connect one end of plastic tubing to inlet. Soften end of tubi ng
may be cut to any convenient length b efore dropping into chemical container. The hex nut may be pushed
over the end of the tubing as a weight to hold the tubing to the bottom of the container.
3. OPERATION:
WARNING: USE CARE WHEN HANDLING HAZARDOUS CHEMICALS.
Push the pump handle to prime the inlet tubing. Once primed, the pump will deliver one ounce of che mical
with each full stroke.
4. SERVICING:
Dried fluid or dirt can impede the free movement of the position. Unscrew the knurled knob to inspect the
piston parts. The inlet and outlet barbs may be unscrewed and soaked in hot water to clean the check valve
balls and seats.
CAUTION: WHEN SERVICING UNIT BE SURE THAT R EPLACEMENT P ARTS HAVE B EE N
INSTALLED ACCORDING TO DRAWING.
RETURNS: NO MERCHANDISE MAY BE RETURNED FOR CREDIT WITHOUT
DEMA’S WRITTEN PERMISSION. RETURN MERCHANDISE
AUTHORIZATION NUMBER REQUIRED IN ADVANCE OF RETURN.
WARRANTY: DEMA product s are warranted aga inst defective material and workmanship under
normal use and service for one year from the date of manufacture. This limited
warranty does not apply to any products which have a normal life shorter than o ne y e ar
or failure and damage caused by chemicals, corrosion, improper voltage supply,
physical ab use, or misa pplicat ion. Rubb er and synthetic rubb er parts s uch as “ o”rings, diaphragms, squeeze tubing and gaskets are considered expendable and are not
covered under warranty. This warranty is extended only to the ori gi nal buy er of DEMA
products . If product s ar e altered or repa ired without prior app roval of DEMA, t his
warranty will be void.
Defective units or parts should be returned to the factory with transportation prepaid.
If inspection s hows them to be defective, t hey will be repaired or replaced without
charge, F.O.B. factory. DEMA assumes no liability for damages. Return m erc h and ise
authorizat ion number, t o return units for rep air or replacement, must b e granted in
advance of return.
I-108 Pg. 1 of 2
Rev. A0600
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DEMA SURE-MEASURE DISPENSER MODEL 301B, 301B-S
INSTALLATION INSTRUCTIONS
6
7
8
(301B)
(301B-S)
9
10
(301B)
(301B-S)
1
2
3
4
11
5
12
NO. PART NO. DESCRIPTION
1 30-7 Spring
2 30-5 O-Ring
3 30-11 Cap
4 30-12 Piston Assembly w/O-Ring
5 30-3 Push Knob
6 30-2 Check Valve Ball
7 30-8 Inlet Fitting (301B)
8 30-8S Inlet Fitting-Stainless Steel (301B-S)
9 30-10 Outlet Check Valve Assy. (301B)
10 30-10S
11 100-12L
Outlet Check Valve Assy.-Stainless
Steel (301B-S)
3/8” ID x 1/2”OD x 8’ Lg. Supply
Tubing
12 30-23 Weight
I-108 Pg. 2 of 2
Rev. A0600
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