
Operating Manual
Appendix
5/5/97
33
APPENDIX B
Table 1. Chamber Operating Chart for Adjustment of the Valving Rod
Chamber
Minimum
Maximum
Recommended
Distance of Gun
From Surface
Size of Pattern
46-800
1/2 turn
2 turns
12 in. (304-8 mm)
6 in. (152.4 mm)
46-810
1/2 turn
2 turns
12 in. (304-8 mm)
6 in. (152.4 mm)
55-776
1 3/4 turns
2 5/8 turns
18 to 20 in.
(457.2 to 508 mm)
8 in.
(203.2 to 228.6 mm)
62
2 turns
3 turns
18 to 20 in.
(457.2 to 508 mm)
8 to 9 in.
(203.2 to 228.6 mm)
70
2 turns
3 turns
18 to 20 in.
(457.2 to 508 mm)
10 to 12 in.
(254 to 304.8 mm)
78-851
2 turns
3 turns
24 in. (609.6 mm)
14 in. (355.6 mm)