DEMA 301B-SY User manual

I-731 Pg. 1 of 2
Rev. --
DEMA SURE-MEASURE DISPENSER MODEL 301B-SY
INSTALLATION INSTRUCTIONS
1. PARTS:
A. Pump Assembly
B. Plastic Tubing, 8’ Lg.
C. Mounting Plate w/Double Slide Adhesive
D. 5/8” Hex Nut
2. INSTALLATION:
Peel off the sticker on the double-sided adhesive and mount the unit to the wall. Connect one end of plastic
tubing to inlet. Soften end of tubing may be cut to any convenient length before dropping into chemical
container. The hex nut may be push 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 chemical
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.
CAUTION: WHEN SERVICING UNIT BE SURE THAT REPLACEMENT PARTS HAVE BEEN
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 products are warranted against 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 one year or failure and
damage caused by chemicals, corrosion, improper voltage supply, physical abuse, or
misapplication. Rubber and synthetic rubber parts such as “o”- rings, diaphragms,
squeeze tubing and gaskets are considered expendable and are not covered under
warranty. This warranty is extended only to the original buyer of DEMA products. If
products are altered or repaired without prior approval of DEMA, this warranty will be
void.
Defective units or parts should be returned to the factory with transportation prepaid. If
inspection shows them to be defective, they will be repaired or replaced without charge,
F.O.B. factory. DEMA assumes no liability for damages. Return merchandise
authorization number, to return units for repair or replacement, must be granted in
advance of return.

I-731 Pg. 2 of 2
Rev. --
DEMA SURE-MEASURE DISPENSER MODEL 301B-SY
INSTALLATION INSTRUCTIONS
30-7 30-5 30-11
30-12
30-3
30-2
30-8S (301B-S)
30-10S (301B-S)
100-12L
PART N0. DESCRIPTION
30-2
30-3
30-5
30-7
30-8S
30-10S
30-11
30-12
30-23
100-12L
CHECK VALVE BALL
PUSH KNOB
O-RING
SPRING
INLET FITTING-STAINLESS STEEL
OUTLET CHECK VALVE ASSY. STAINLESS STEEL
CAP
PISTON ASSEMBLY W/ O-RING
WEIGHT
VINYL TUBING (1/2" O.D. X 8' LG.)
30-23
WALL DOUBLE SIDED
ADHESIVE
MOUNTING
PLATE