5
Note: Frequency of cleaning these surfaces is dependent upon the content of the
tank and reaction of venting to atmosphere. (Please to refer to page 2)
4. Spring rods (20) should be inspected for surface condition, straightness and
tightness into the pressure disc (5) and the cover (2). Keep all rods clean to allow
free movement of discs at all time.
5. Check all springs are free from product buildup and verify that all are carrying
load. Measurement from the vacuum disc (4) to spring retainer leg (9) must be
equal for all the pressure springs, (inner springs (7)).
6. For the vacuum spring, (4 outer springs (8)), measure from the vacuum disc (4)
to the spring retainer leg (9).
CAM SET
1. Each cam assembly includes the cam (14), cam swivel nut (21), jaw end fitting
(13) and pin (12). Check all part for corrosion, looseness, and thread quality, plus
all pins for consistent fit. When excessive wear and/or corrosion are evident,
parts must be replaced immediately.
2. Test each cam assembly, locked down on the cover (2). Make adjustments with
cam (14) and jaw end fitting (13) to assure equal pressure around the perimeter
of the cover (2) and base (1).
Summary of Contents for MODEL 1700
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