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CONVERSION AR-ROADING 2278628 - Caterpillar

Alternative (cross code) number:
Caterpillar 2278628 CONVERSION AR-ROADING

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Compatible equipment models: 2278628:

TELEHANDLER  TH340B   Caterpillar
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The spring of the recoil spring assembly is compressed under several tons of force.Do not attempt to compress or release the tension of the spring with the nut on the end of the retaining rod.Damaged threads on the retaining rod or nut can cause the assembly to come apart with force, resulting in injury or death.
Note: Prior to assembling the recoil spring assembly, make sure that Tooling (A) is on a level surface.
Illustration 17 g00902471
Check the condition of the threads on rod (11) and nut (6) . If the threads are worn or damaged, use new parts for replacement.
Assemble the recoil spring assembly loosely. Position spring (10) onto support (9) . Install rod (11) into support (9) . Position support (12) .
Illustration 18 g00483426
Install Tooling (C) on Tooling (B) .
Illustration 19 g00494710
Illustration 20 g00483437
Note: Two adjustable supports (1) , reaction plate (2) , and movable plate (3) are part of Tooling (A) .
Adjust the spacing between reaction plate (2) and movable plate (3) so that the spacing is approximately the same length as the recoil spring assembly. Also, make sure that two adjustable supports (1) are positioned between the reaction plate and the movable plate, as shown. Level the two supports.Note: The recoil spring assembly may be installed in Tooling (A) from the end. In this case, reaction plate (2) must be removed. Then reinstall the reaction plate after the recoil spring assembly is in place on two adjustable supports (1) .
Do not remove the hoist from the recoil spring assembly until the unit is leveled, centered and locked in the specified tooling.
The combined weight of the recoil spring assembly is approximately 115.6654 kg (255 lb).
Fasten a suitable lifting device to the recoil spring assembly. Put the recoil spring assembly in position on two adjustable supports (1) in Tooling (A) .
Adjust the two adjustable supports in order to align the centerline of the recoil spring assembly with the centerline of Tooling (A) .
Illustration 21 g00949740
The hoist has been removed from the recoil spring assembly in order to provide a better illustration of level gauge (4) .
Operate Tooling (B) and guide the end of the recoil spring assembly through the hole in reaction plate (2) . Put a level gauge (4) on the recoil spring assembly. Make sure that the recoil spring assembly is level and centered in Tooling (A) . Remove the suitable lifting device from the recoil spring assembly.
Illustration 22 g00498784
Close covers (7) on Tooling (A) . Compress the recoil spring assembly with Tooling (B) .
Illustration 23 g00902627
(X) Compressed length of the spring
Open the covers on Tooling (A) . Measure the assembled length of

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