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item
part number
1
8506
2
8469
3
8510
4
6124
5
7263
6
6110
7
6110-001
8
7264
9
7265
10
7719
11
7297
12
7296
13
7797
14
7276
Nelson Irrigation Corporation 848 Airport Road Walla Walla, WA 99362-2271 USA Tel: 509.525.7660 Fax: 509.525.7907 E-mail: info@nelsonirrigation.com Web site: www.nelsonirrigation.com
SRNV100 BIG GUN
description
qty.
Nut, 7/16-14 UNC
Valve Seat Assembly
Nozzle Lever Assembly
Cotter Pin, 3/32” x 3/4”
Pivot Pin
Flat Washer
AR
Flat Washer (Thick)
AR
Lower Toggle Pin
Upper Toggle Pin
Linkage Assembly
Actuator Pin
Jam Nut
Washer
Actuator Assembly
PROBLEM: Nozzle stopper (valve seat) continues to leak when closed.
SOLUTION: 1. Adjust valve seat to assure even contact on nozzle seal surface.
1
a. Disconnect actuator pin
1
b. Loosen the valve seat locking nut
1
c. Rotate lever assembly
8
lightly against nozzle seal surface. Adjust valve seat
1
stopper in or out as required to achieve full contact with the nozzle seal surface.
d. Tighten the locking nut
2. Adjust linkage to assure adequate closure force.
1
a. Adjust linkage assembly at ‘A’ so that 12-15 pounds force is required to
1
push link ‘B’ against closure stop (disconnect and reconnect lower toggle
1
pin
during adjustment as required to check closure).
1
b. Reconnect actuator pin
1
1
PROBLEM: Nozzle stopper won’t clear stream when open.
1
SOLUTION: Adjust actuator position to assure complete opening.
a. Loosen jam nut
b. Hold nozzle lever
c. Rotate actuator assembly
and all play is removed from the linkage. Rotate further as needed until
drain hole and hose fitting port are oriented to the bottom.
d. Tighten jam nut
ADJUSTMENT
®
.
.
to closed position and hold valve seat
.
.
.
in the fully open rest position.
toward main elbow until rest buttons contact
.
by rotating the
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