Instructions / Assembly
1. Assemble Pump Handle
Slide handle onto shaft and line up holes. Thread bolt 
through handle and shaft and securely tighten. Thread on 
lock nut and tighten using a 13mm (or adjustable) wrench.  
Handle can be mounted on left or right depending on user 
preference. See manual for all information of backpack. 
(See Figure A)
Figure A
3. Assemble Wand to Shut-o 
Screw on Wand Assembly to SS Shut-o 
(See Figure D)
Figure D
2. Assemble Shut-o to Hose
Screw on SS Shut-o to end of hose from backpack 
(See Figure C)
Figure C
182465 SS Shut-o
Backpack Hose
Wand Assembly
182465 SS Shut-o
2. Assemble 18” Extension
Remove cap and place 182786 check valve inside of 
182662 extension. Then place nozzle on extension 
and fasten tightly. (See Figure B)
Note: Check valve must always be used.
Check Valve
182662 18” EXTENSION”
Figure B
Conguration for nozzle tip sprayer 
SETTING UP YOUR 
NL403 BACKPACK
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