Résumé du contenu de la page N° 1
FIFTH TROUBLESHOOTING
GO THE DISTANCE.
AND REBUILD
PROCEDURES
WHEELS
HITCH
XA-71 Series
Fifth Wheel Top Plates
XA-71-DA
XA-71-DA-03705
2” SAE Kingpin for FW2570-7103 SERIES or
2” SAE Kingpin (Rebuild Kit RK-65014)
FW2570-7113 SERIES - RK-65014-1
XA-71-OA XA-71-OA-03713
1 1
3 ⁄2” SAE Kingpin for FW2570-7103 SERIES or
3 ⁄2” SAE Kingpin (Rebuild Kit RK-65015)
FW2570-7113 SERIES - RK-65015-1
XL-FW232-02
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TROUBLESHOOTING HINTS Fifth Wheel is Hard to Hook Up to Trailer: ✔ POSSIBLE CAUSE REMEDY The trailer may be too high; the kingpin Lower the trailer landing gear. ■ ■ is not entering the locks properly. Locks are closed. Pull the secondary and primary release handles to the unlocked position and force the ■ ■ hinged lock open. The locks are adjusted too tightly. Check lock adjustments in accordance with the procedure in this manual. ■ ■ Accumulated rust or grime Spray a light lubricant or diesel
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XA-71 SERIES PARTS EXPLOSION Part numbers indicated 16 12 throughout the instructions 13 in bold numbers—for instance “fifth wheel top 15 plate (1)”—refer back to Fifth Wheel Top Plate this drawing. 1B or 1C Hole A 24 1 or 1A 16A 14 18 17 Hole B 26 NOT INCLUDED IN 21 REBUILD KIT 22 30 27 23 20 28 32 27A 31 26 28A 27B 33 19 37 7 ACCESSORIES Stationary lock 35 8 9 10 35A Lockset 6 or 6A (6 shown) 25 36 25 34 Swinging lock 5 11 4 3 2 ITEM PART NO. NO. PART NAME ITEM PART NO. NO. PART NAME 1 XA-71-
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REBUILDING PROCEDURES 1. Before attempting to rebuild, review each trouble- Primary Lock Installation shooting hint on page 2 of this manual. You may 1. Install the stationary lock (6) in HOLE A in the casting, find that rebuilding is not necessary. with the large counterbore facing down (see FIGURE 2). 2. If rebuilding is required, check the front page of this Install the lock washer (37) and lock nut (19) onto the manual to be sure you have the correct kit for the fifth threaded end of the st
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REBUILDING PROCEDURES continued Plunger and Adjustment Wedge Installation Primary Lock Installation continued 1. Install the adjusting screw (20) through the hole locat- ed in the throat of the fifth wheel casting. Install the 3. Place the secondary lock (10) into its approximate compression spring (23) over the screw, then slide the location in the casting (see FIGURE 4). adjusting wedge (22) over the screw (see FIGURE 6). Compress the spring and install a lock nut (21). FIGURE 4 10 Tighten the
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REBUILDING PROCEDURES continued Release Arm and Release Lever Installation 1. Check the fit of the release lever (15) inside the slot in 4. Install hex lock nut (14) and tighten. the plunger (17). The rounded end of the release lever DO NOT OVERTIGHTEN as the must fit freely into the slot in the plunger. If the parts release lever (15) must move do not fit together freely, it will be necessary to deburr freely. If it does not move freely, the fifth wheel the rounded end of the release lever (s
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REBUILDING PROCEDURES continued IMPORTANT: Before proceeding with Secondary Lock Swinging Lock Installation Installation, turn to page 10 to determine which instruc- 1. Place the swinging lock (6) into position, compressing tions you should follow. spring (7). For spring position, see FIGURE 3. Secondary Lock Installation: NOTE: The lock pin (5) has a hole for a grease fitting (25). 1. Position the secondary lock (10) in the closed position in the casting, as shown in FIGURE 16. Complete Step
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REBUILDING PROCEDURES continued 3. Tighten the lock nut (19) on the stationary lock. Adjust the Fifth Wheel Locks: 4. Loosen the adjustment screw (20) by turning counter- 1. Using a ratchet with 1/2˝ Allen wrench, tighten the 1 clockwise 1 ⁄2 turns. The locking mechanism is now adjustment screw (20) in the throat in the fifth wheel, properly adjusted. by turning the screw clockwise until tight. Check that the secondary lock operates freely. 2. Check that the kingpin on the lock tester is square
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CHECKING THE OPERATION OF THE FIFTH WHEEL continued 3. For maximum service life, the fifth wheel should be Check the Mounting Brackets Before steam cleaned, inspected, and adjusted — as necessary Remounting the Top Plate: — every 30,000 miles (50,000 km). 1. Inspect the brackets for cracks or damage, and For additional specific instructions, refer to replace if necessary. HOLLAND publication XL-FW303-XX “Fifth Wheel 2. Check the rubber bushings for wear. Maintenance Procedures.” Replace if n
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ALTERNATIVE “SECONDARY LOCK INSTALLATION” For fifth wheel models ORIGINALLY equipped with a FIGURE A tab on the swing lock and a step end on the lock LOCK ARM arm, follow the instructions below and refer to WITH STEP FIGURE A, at right. END 1. Coat the lock pin hole in the secondary lock (10) with ® Never-Seez (supplied with kit). DO NOT use a substitute lubricant. 2. Install the secondary lock release handle (9) into the casting. Install the secondary lock onto the handle. NO Install a cotte
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XL-FW232-02 11
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HOLLAND USA, INC. 1950 Industrial Blvd. • P.O. Box 425 • Muskegon, MI 49443-0425 Phone 888-396-6501 • Fax 800-356-3929 www.thehollandgroupinc.com Copyright © August 2002 • The Holland Group, Inc. Holland USA, Inc. Facilities: Holland International, Inc. Holland Hitch of Canada, Ltd. Holland Equipment, Ltd. Holland Hitch Western, Ltd. Denmark, SC Muskegon, MI Holland, MI Woodstock, Ontario • Canada Norwich, Ontario • Canada Surrey, British Columbia • Canada Dumas, AR Warrenton, MO Phone: 616-396
