Clyde 15F2930-E User manual

Clyde Machines, Inc.
1150 North Hwy. 55
P O Box 194
Glenwood, MN 56334
Pho. 320/634-4503
Fax. [phone]
www.clydemachines.com
15F2930-E Towbar
73-8
A319/A320/A321
Maintenance Manual
Property of American Airlines

Clyde Machines, Inc.
15F2930-E Towbar Operation and Maintenance Manual
Revision Log
REVISION
DATE
DESCRIPTION
--
8/5/2016
FIRST ISSUE
A
5/24/2017
WASHERS &15F2424 REVISED
Property of American Airlines

Clyde Machines, Inc.
15F2930-E Towbar Operation and Maintenance Manual
Warranty
Clyde Machines, Inc. warrants all goods of it’s manufacture to be free from defects
caused by faulty material or poor workmanship and will at it’s option repair or replace,
without charge, or allow credit for any such goods found on examination by Seller to be
defective under normal use and service within one year from date of shipment to the
Buyer, provided Seller is promptly notified in writing upon discovery of such defects.
Goods shall not be returned to Seller or modified at Seller’s expense without Seller’s
consent in writing
This warranty does not cover damage caused by improper use, installation, overloading,
accident, neglect or harmful alterations or repairs made by others, weather conditions
and acts of God. The Buyer’s remedies with respect to defective good shall be
exclusively limited as above provider and in no event shall the Seller be liable for
consequential damage. Components purchased by the Seller are subject to the
warranty policy of the original equipment manufacturer, and Seller will assist the Buyer
in resolving any warranty claims if such action is required.
When you contact Clyde Machines, Inc. be prepared to provide the following
information:
Product Model Number
Product Serial Number
Description of the problem
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Property of American Airlines

Clyde Machines, Inc.
15F2930-E Towbar Operation and Maintenance Manual
Maintenance Information and Schedules
Daily Inspection
Visually check entire towbar for physical damage – repair or replace parts if
necessary.
Check head for proper operation – damaged parts, binding, etc. - readjust or
replace as necessary.
Bi-Yearly Inspection
Check shear bolts by turning heads with a hand wrench – any binding indicates a
partially sheared bolt – replace if necessary.
Grease the axle lift pivots with the grease zerks provided.
oUse Lithium EP2 or equivalent.
Check hydraulic hand pump for proper operation and adequate oil level.
oIf necessary to add oil, use ATF Fluid.
oFor extreme cold 5606 oil is acceptable
Check tire pressures – should be 24 P.S.I.
Check lunette ring for excessive wear – measured at thinnest point, ring cross
section should be no less than 1.25 inches. Replace if necessary.
If so equipped, check lunette and head retention bolt cushions for cracking –
replace if necessary.
Yearly Inspection
The wheels should be removed and the hub bearings repacked with grease.
oUse Lithium EP2 or equivalent
As Required
When replacing shear bolts and/or retention bolt, tighten bolts only enough to
remove slack and then loosen one half turn. Bolts should turn freely with hand
wrench.
CAUTION! Over-tightening of shear bolts and/or retention bolt will cause bolts
to shear at a higher load than desired.
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Property of American Airlines

Clyde Machines, Inc.
15F2930-E Towbar Operation and Maintenance Manual
Towbar Damage and Repair Information
Mounting Holes
If the lunette or head mounting holes are damaged they can be repaired by shortening
the tube and re-drill the holes. This may be done once per each end. Approximately
3.5” will need to be cut off to allow new holes to be drilled. Use the mating part as a
guide in marking the (12) Ø.375 holes. Torque hardware to 35 ft-lbs.
Bowing
The tube may not be bowed more than 1/2” over its length.
Dents
Any dent in the aluminum tube may not be any deeper than 1/2” deep.
Gouges
Any gouge in the aluminum tube may not be any deeper than 1/8” deep x 1” long.
Any tube with damage that does not fit the above must be replaced.
Placards
15F3361 Placard Package:
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