3. Lifting Lever Assemblies
A. OPEN LIFTING LEVER (Fig. 3.1)
1. Remove wire seal and cotter pin. Slide out button head
rivet to release lever from cap.
2. Remove set screw from base of cap and lift cap off
bonnet.
3. Remove stem jam nut and stem test washer from the
stem.
4. Clean all parts and reassemble in reverse order. Adjust
stem test washer so there is 1/8” clearance between
test lever fulcrum and stem test washer.
B. PACKED LIFTING LEVER
There are several designs of packed cap constructions.
Refer to the appropriate section below for your particu-
lar cap construction.
(a) Fig. 3.2
1. Remove groove pin from lever and slide lever off the
cam shaft.
2. Remove gland from gland nut. Unscrew gland nut from
bonnet and remove packing ring and cam. If any signs
of leakage exist, replace packing ring.
3. Break wire seal and unscrew cap from bonnet. Holding
the stem with pliers, remove stem jam nut and stem test
washer.
4. Reassemble in reverse order making sure the camshaft
lobe is pointing down. The stem test washer should be
adjusted to ensure the cam will make contact with the
stem test washer and lift the stem when the lever is
actuated.
(b) Fig. 3.3
1. Remove groove pin from lever and slide lever off the
cam shaft.
2. Complete disassembly is only required if the packing
ring is to be replaced or internal inspection is required.
To remove assembly, rotate the lever down and
unscrew the cap.
3. To complete disassembly, remove the gland, packing
ring and retaining ring.
4. Pull the cam shaft from the cap. The cam can then be
removed through the bottom of the cap.
5. Remove the stem jam nut and stem test washer.
6. Reassemble in reverse order, making sure the cam
rests beneath the stem test washer.
(c) Fig. 3.4
1. Remove lever jam nut and washer. Slide lever off the
cam shaft.
2. Follow steps 2 to 6 in section (b).
4
Farris Engineering
Division of Cur tiss-Wright Flow Control Corporation
Visit www.boighill.com to request a quote.
Visit www.boighill.com to request a quote.
