(6) Use a vise-grip wrench while connecting air
supply line to prevent disturbance to
backed out approximately 1/2 thread turn
from snug position.
(8) Install retraction handle and lock into-
position with jam nut.
(9) Set pressure regulator at 60 psi (414 kPa).
Operate air cylinder a few times and set
final pressure at precisely 60 psi (414 kPa).
The air pressure must be held at 60 psi (414
kPa) during all tests.
The velocity of air cylinder piston rod
may be adjusted as desired with small valve
at rear of panel. Loosen locknut and screw
valve stem in to decrease piston speed or
back screw out to increase piston speed.
Lock the nut on the stem when desired
piston speed is attained.
With retraction lever in "A" position,
install load cell and clamp into position.
Adjust knurled knob until load cell reads
200 psi (1379 kPa). The psi (kPa) reading
on load cell is a direct reading in pounds
(kg) load, since load cell piston area equals
1 square inch (6.45 sq cm). Adjust knurled
knob to obtain 200 lbs. (90.7 kg) load
during several clamping cycles.
With load cell clamped at 200 lbs. (90.7
kg) load, use the feeler gauge to adjust
locknuts adjusted if necessary,
Instructions for the Spray Angle Tester. The
spray angle tester (figure 13-18) is used with the
injector test stand which is described in
Figure 13-17. Injection Leakage Tester
(1) Locate Spray angle tester on or near the
connection of test stand will reach injector to
be spray checked. Use injector test oil or
fuel oil to perform test.