National Crane Published 10-30-2014 Control # 040-09 7-21
1400H OPERATOR AND SERVICE MANUAL INSTALLATION
17. Route the hoist drain hose through the turret and
connect to the hoist.
18.
FIGURE L
19. Un-spool approximately 15 ft (8 m) of cable and route
the cable through the boom cable guides from the front
of the boom to the hoist.
20. Install one end of the load line cable into the hoist drum
using the wedge socket provided. See “Hoist Service
Manual” in the Service and Maintenance Section for
proper placement of the wedge socket with 5/8 in
diameter wire rope.
21. Remove the cable keeper T-handle pin from the sheave
case and lay the cable over the top sheave. Replace the
top cable keeper pin.
22. Unspool the remainder of the cable out from the back of
the truck being sure the cable is straight and without
kinks. Attach downhaul weight, wedge socket, hook and
cable clamp to the end of cable as shown in Load line
Section. Torque cable clamp (clip) to 95 lb-ft (128,8 Nm).
This torque must be rechecked after initial operation of
the crane. Be sure cable clamp is attached to the free
20 × Rope Diameter
12.50 in Minimum
INCORRECT
Rope Backward
INCORRECT
Wedge Backward
INCORRECT
Tail Clipped to live
Line
CORRECT
“Go”
“No-Go”
• Properly match socket, wedge and clip to wire rope size. The wire rope must pass through the “go”
hole in the wedge. It must not pass through the “no go” hole in the wedge.
• Align live end of rope, with center line of pin.
• Secure dead end section of rope.
• Tighten nuts on clip to recommended torque. (See Table)
• Do not attach dead end to live end or install wedge backwards.
• Use a hammer to seat Wedge and Rope as deep into socket as possible before applying first load.
Rope Size (inches) 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1-1/8 1-1/4
*Torque lb-ft (Nm) 45 (61) 65 (88) 65 (88) 95 (128.8) 95 (128.8) 130 (176) 225 (305) 225 (305) 225 (305) 360 (488)
* The tightening torque values shown are based upon the threads being clean, dry, and free of lubrication.
Dead End
Live End
Live End
Dead End
20 × Rope Diameter
12.50 in Minimum
INCORRECT
CORRECT
Terminator Type Wedge Installation