Harken HCI025110345BCC Integral Backstay Adjuster - Manual (Page 4)

4
7. Attach cylinder to backstay.
• Use 3 mm hex driver to remove screw from clevis
pins.
• Attach lower clevis to toggle/chainplate. Open the
release valve and extend the cylinder.
• Attach upper clevis to backstay.
8. Use Blue 242 Loctite
®
when installing screws to
prevent loosening.
Bleed Pump
All Harken Integral Hydraulic Cylinders are cycled and
tested at factory prior to shipment. However, oil can
become displaced inside cylinder during shipment or
storage. Bleed pump prior to use.
1. With cylinder in vertical position, rod end up, fully
extend the cylinder.
2. Open release valve and pump for one (1) minute.
When complete, the pump and cylinder are bled.
Installation
Gauge/Cylinder Rotation Direction Limit of Rotation Relative to Pump Housing
Clockwise* 1/4-turn (90°)
Counter-Clockwise** 1/2-turn (180°)
*O-ring will expand and bulge.
**Overturning may lead to thread engagement issues.
CAUTION! Limit cylinder rotation to avoid
problems or damage.
5. Check to see if gauge is aligned to your preference. If
necessary, you may loosen set screws on bottom of
cylinder tube (above release knob) completely. Rotate
cylinder tube to adjust gauge to 1 of 4 positions as
noted in diagram.
6. When gauge is in preferred position, re-tighten set
screws. Make sure screws install into pump housing
dimples.
Pump Handle
Cylinder
Possible Gauge Position
Possible Gauge
Position
Possible Gauge
Position
Set Screws
Gauge