Owner's manual

ITEM DESCRIPTION
1
Set Screw
2 Spring Socket
3 F%ton
4 Piston Rod
5 Packing Plate
6
Lock Screw
7 Adjustment Screw
8 CElm
9 Upper Bypass Tubing
10 Lower Bypass Tubing
Figure 4-2. Piston Stroke Calibration
5. Turn spring socket (2) slowly
counter&&vii until piston (3) moves
away from top of its travel.
6. Turn spring socket (2) slowly ckxkwise
until piston (3) just returns to top of its
havel.
7.
8.
9.
Lock spring socket (2) in place by tightening
set screw (1).
Slowly move piston (3) to bottom of travel
by increasing input signal to 100%.
Using a grease pencil, make a reference
mark on piston rod (4) at top of pecking
plate (5).
10.
11.
12.
Slowly move piston to bottom of travel by
increasing input signal to 0%.
Measure distance from top of pecking plate
(5) to reference mark on piston rod (4) made
in step 9.
If distance measured in step 11 is not 5
inches, use the following procedure to
calibrate piston travel.
(a) Loosen lock screw (6) and adjustment
screw (7). Move cam (8) in slightly
(abut l/64 inch).
(b) Retighten adjustment screw (7) and
lock screw (6).
IB-W-204
4-4