The Lines for the Hoist Cylinders Have Been Updated in Order to Protect the Hoist Valve {5057}
- Off-Highway Truck/Tractor:
- 776D (S/N: AFS1-UP)
- 777D (S/N: AGC1-UP)
- 777D HAA (S/N: AGY1-UP)
Description of Change: The lines for the hoist cylinders have been updated. A guard has been added. The guard will protect the hoist valve from debris from the front tires. The lines have been changed in order to avoid interference with the guard.
Adaptable To: The updated 169-3781 Hoist Oil Lines Gp is effective with (S/N: AGC1064-UP; AGY81-UP; AFS81-UP). All older machines can be adapted to the new type. The 169-3781 Hoist Oil Lines Gp is serviced only by parts. Refer to the following information.
Parts for Removal
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Illustration 1 | g00917067 |
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Ref No     | Qty     | Part Number     | Description     |
1     | 2     | 173-0284     | Block     |
2 | 4J-0524     | O-Ring Seal     | |
2     | 1     | 173-0285     | Hose As     |
2 | 4J-0520     | O-Ring Seal     | |
3     | 1     | 173-0286     | Hose As     |
2 | 4J-0520     | O-Ring Seal     | |
4     | 1     | 173-0287     | Hose As     |
2 | 4J-0520     | O-Ring Seal     | |
5     | 1     | 173-0288     | Hose As     |
2 | 4J-0520     | O-Ring Seal     | |
6     | 4     | 1P-4577     | Half Flange     |
7     | 2     | 5J-3399     | Connector Plate     |
2 | 4J-0524     | O-Ring Seal     | |
8     | 8     | 5J-5794     | Bolt     |
9     | 1     | 5P-7468     | Clip     |
10     | 1     | 5P-7469     | Clip     |
11     | 1     | 5P-8444     | Grommet     |
12     | 8     | 5S-7382     | Bolt     |
13     | 8     | 8T-4896     | Hard Washer     |
Parts for Installation
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Illustration 2 | g00917080 |
Guard (6) is removed in the enlarged view. |
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Ref No     | Qty     | Part Number     | Description     |
1     | 1     | 173-0286     | Hose As     |
2 | 4J-0520     | O-Ring Seal     | |
2     | 1     | 217-3404     | Manifold     |
2 | 4J-0524     | O-Ring Seal     | |
3     | 1     | 218-2659     | Plate     |
2 | 4J-0524     | O-Ring Seal     | |
4     | 1     | 218-3777     | Hose As     |
2 | 4J-0520     | O-Ring Seal     | |
5     | 1     | 218-3778     | Hose As     |
2 | 4J-0520     | O-Ring Seal     | |
6     | 1     | 219-6037     | Guard     |
7     | 1     | 221-2791     | Hose As (1)     |
1 | 2P-1801     | Stem     | |
2 | 3S-7252     | Sleeve     | |
1 | 5S-2105     | Stem     | |
1 | 165-0021     | Hose ( 112 cm (44.1 inch))     |
|
2 | 4J-0520     | O-Ring Seal     | |
8     | 2     | 3D-2824     | O-Ring Seal     |
9     | 2     | 3J-1907     | O-Ring Seal     |
10     | 4     | 5P-1076     | Hard Washer     |
11     | 1     | 5P-7466     | Clip     |
12     | 1     | 5P-7467     | Clip     |
13     | 1     | 5P-8112     | Grommet     |
14     | 2     | 6V-0484     | Elbow     |
15     | 1     | 6V-8637     | Seal Connector     |
16     | 1     | 6V-9007     | Elbow     |
17     | 2     | 6V-9746     | O-Ring Seal     |
18     | 8     | 8M-2530     | Bolt (12 Point)     |
19     | 4     | 8T-8917     | Bolt     |
20     | 6     | 9S-9739     | Bolt (12 Point)     |
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( 1 ) | The 221-2791 Hose As is nonserviceable. The hose assembly can be fabricated with the parts that are shown below the hose assembly. Refer to Special Publications, PECP5030, "Hydraulic Hose and Coupling Reference Guide" for more information regarding the fabrication of hose assemblies. |
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