Operating & Service Manual 4 OPS-814 Rev.00
c) Install packing gland over stem and make up to bonnet. The packing gland should be sitting butt tight on
top of bonnet per Diagram 2 (b).
d) Install bearing assembly and split shoulders (with elastic O-ring) over stem. Rotate stem until
stem/bearing assembly sits firmly on top of packing gland per Diagram 2 (c).
e) Put wiper seal into the bonnet cap then install them over the stem and make up snugly tight to bonnet
per Diagram 2 (d).
Butt Tight
Packing Gland
to Bonnet
Install Stem Packing
Diagram 2 (b)
Install Bearing Assembly
Diagram 2 (c)
Ensure
Full Contact
Install Bonnet Cap
Diagram 2 (d)
Wiper Seal
Bonnet Cap
Set Screw
Bearing
Shoulder Split
Bearing
Packing Gland
Stem Packing
Weather Seal
Bonnet Parts
Stem
Injection
Fitting
Zerk
Fitting
Bonnet Parts Assembly
Diagram 2 (a)
3.2 Install Gate to Bonnet Assembly
a) Lightly grease the barrel lift nut and insert to the gate. Carefully make up gate assembly to the stem by
left hand rotation, until the stem has fully engaged the lift nut and partially penetrate the gate per
Diagram 3 (a) & (b).
b) Lightly grease the 2 sealing faces of the gate.