Operation
23
9. Apply the proper bearing preload by pressing the red clutch lock release while lightly rotating the
clutch cap two or three times to the left (clockwise) until the clutch engages the cartridge. See
Figure 4-5.
!
All that is needed to turn the clutch cap is a very light but even touch with your thumb and
index finger. Do not apply radial pressure while turning the clutch cap or the friction on the
threads will result in an improper preload setting. You will feel or hear a click when the clutch
has reached its set preload.
CAUTION!
DO NOT
remove or attempt to adjust the setscrews in the clutch cap or serious
damage to the pump will result.
10. After the clutch has reached its set preload, verify that there is no axial movement between the
cartridge and the valve body. See Figure 4-5. Reset preload if necessary.
11. Install the fluid syringe, fittings, and 90-degree elbow as specified in “
Installing/Changing a Fluid
Syringe
” later in this section.
Figure 4-5 Setting the Bearing Preload
