Yetter 2959-104 Spring Mount Inj. - Manual (Page 2)

ASSEMBLY INSTRUCTIONS
1. If previously installed remove the injection tube holder (2959-200) from coulter arm. These parts will
not be reused.
2. Assemble the stainless steel pipe nipple (#7) to the injector rod w.a. (#6).
NOTE: A female hose barb (not supplied) will be required. Also a straight stream nozzle 1/4 NPT male
thread will be required (not supplied). Some operators also install a check valve inline so that fertilizer is
not wasted. At the pipe coupler install the appropriate nozzle (not supplied) according to the liquid fertilizer
application rate. Nozzles can be ordered through your nearest implement dealer or fertilizer equipment
dealer. See the tip application chart in this manual.
3. Thread a 1/2" hex jam nut onto the injector rod w.a. with at least 3/4” threads showing then thread the
injector spring assembly (#4) onto the injector rod. Now jam lock the injector rod to the spring assembly
mount using the 1/2" jam hex nut.
4. Install the injector rod assembly to the face plate mount using a 1/2” x 1-1/2” bolt, 1/2" lockwasher, two
1/2” flat washers and jam nut (#5).
NOTE: The injector rod assembly is to be installed so that the stream nozzle is on the trailing or rear
side of the injector rod.
5. Tighten all hardware securely. Inspect after four hours of field operation, tightening any loose
hardware.