- Wheel Tractor-Scraper:
- 621G (S/N: DBB1-UP)
- 623G (S/N: DBC1-UP)
- 627G (S/N: DBD1-UP)
- 631G (S/N: DFA1-UP)
- 637G (S/N: DFJ1-UP)
- 657G (S/N: W1B1-UP; W1C1-UP; A4G1-UP)
- 623G (S/N: DBC1-UP)
Introduction
This Special Instruction provides the procedure to install the new cover kit. The new metallic cover kit replaces the existing fiberglass air conditioner cover.
Refer to the necessary parts list.
Prepare the machine for service after installation of the cover kit. Follow the procedure in the Operation and Maintenance Manual for your machine.
Safety
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Do not attempt to assemble this machine until you read and you understand the assembly instructions. Improper assembly procedures could result in injury or death. |
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Personal injury can result from flame cutting or welding on painted areas. The effect of gasses from burned paint is a hazard to the person doing the cutting or welding. Do not flame cut or weld on painted areas. |
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Personal injury or death can result from fumes, gases and ultraviolet rays from the weld arc. Welding can cause fumes, burn skin and produce ultraviolet rays. Keep your head out of the fumes. Use ventilation, exhaust at the arc, or both, to keep fumes and gases from your breathing area. Wear eye, ear and body protection before working. Protect yourself and others; read and understand this warning. Fumes and gases can be dangerous to your health. Ultraviolet rays from the weld arc can injure eyes and burn skin. Electric shock can cause death. Read and understand the manufacturer's instructions and your employer's safety practices. Do not touch live electrical parts. See "American National Standard Z49.1, Safety in Welding and Cutting" published by the American Welding Society. American Welding Society2501 N.W. 7th Street Miami, Florida 33125 See "OSHA Safety and Health Standards, 29 CFR 1910", available from U.S. Department of Labor. U.S. Department of LaborWashington, D.C. 20210 |
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When a hoist is used to lift any part or assembly, stand clear of the area under the part being raised. Always make sure that the hoist has adequate lifting capacity and the wire cable is not damaged. Failure to follow this instruction could lead to injury or death. Approximate weights of the components are shown in the table which follows. |
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Weights
The weights that are listed are approximate.
| Approximate Weights | |
|---|---|
| Description | Weight |
| 343-8893 Cover Kit | 18.0 kg (40.0 lb) |
| 343-8894 Cover Kit | 18.0 kg (40.0 lb) |
| 343-8895 Cover Kit | 18.0 kg (40.0 lb) |
Parts List
| Required Parts for Installation of the Cover Kit | ||
|---|---|---|
| Qty | Part Number | Description |
| 1 (1) | 343-8893 | Cover Kit |
| 1 (2) | 343-8894 | Cover Kit |
| 1 (3) | 343-8895 | Cover Kit |
| ( 1 ) | Part is required on S/N:DBB1-UP, ; S/N:DBC1-UP and ; S/N:DBD1-UP machines only. |
| ( 2 ) | Part is required on S/N:DFA1-UP and ; S/N:DFJ1-UP machines only. |
| ( 3 ) | Part is required on S/N:W1B1-UP, ; S/N:W1C1-UP and ; S/N:A4G1-UP machines only. |
Specifications for Cables, Chains, and Lifting Devices
Use approved cables, chains, and lifting devices in order to lift components. Refer to the manufacturer's weight's in order to determine the application when you select the following items: cable, chain and lifting devices. When you lift a component, the lift angle is critical. Refer to the Illustration that follows in order to see the effect of the lift angle on the working load limit.
Note: The lifting devices that are shown in this publication are not AVSpare parts.
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| Illustration 1 | g00629745 |
Lift angles for lifting slings. (A) The load capacity is 100% of the working load limit for the sling. (B) The load capacity is 86% of the working load limit for the sling. (C) The load capacity is 70% of the working load limit for the sling. (D) The load capacity is 50% of the working load limit for the sling. | |
Procedure for Installation of the Cover Kit
| Required Parts for Installation of the 343-8893, 343-8894, and 343-8895 Cover Kit | |||
| Callout | Part Number | Description | Qty |
| 1 | 316-1739 | Cover As | 1 (1) |
| 316-1206 | Cover As | 1 (2) | |
| 315-0232 | Cover As | 1 (3) | |
| 2 | 307-2427 | Plate As | 2 |
| 3 | 175-7141 | Hex Flange Nut | 8 |
| 4 | 316-1213 | Tube As | 1 |
| 5 | 339-3211 | Mounting Plate | 1 |
| 6 | 5M-3062 | Bolt | 5 |
| 7 | 8T-4896 | Hard Washer | 5 |
| 8 | 316-4431 | Bracket As | 2 (1) |
| 296-7695 | Bracket As | 2 (2) (3) | |
| 9 | 8T-4137 | Bolt | 6 |
| 10 | 8T-4121 | Hard Washer | 10 |
| 11 | 8T-4136 | Bolt | 4 |
| ( 1 ) | Part is required on S/N:DBB1-UP, ; S/N:DBC1-UP and ; S/N:DBD1-UP machines only. |
| ( 2 ) | Part is required on S/N:DFA1-UP and ; S/N:DFJ1-UP machines only. |
| ( 3 ) | Part is required on S/N:W1B1-UP, ; S/N:W1C1-UP and ; S/N:A4G1-UP machines only. |
- Remove the existing cover (A). Remove the existing brackets and hardware from the machine.
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| Illustration 2 | g01900073 |
View of existing cover (A) | |
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| Illustration 3 | g01900022 |
View of cover (A) that is removed | |
- Remove the tube, brackets, or plate assemblies from the new cover assembly (1) .
Note: Be sure to use the correct cover assembly for your machine. Refer to Table 3 for the correct part number for your machine.
- Install two plate assemblies (2) to the left-hand side front of the cab with four hex flange nuts (3) .
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| Illustration 4 | g01900993 |
View of two plates (2) and four hex flange nuts (3) that are installed | |
- Install tube assembly (4) to the right-hand side front of the cab with four hex flange nuts (3) .
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| Illustration 5 | g01900759 |
View of tube assembly (4) and four hex flange nuts (3) that are installed | |
- Install mounting plate (5) to the two lower bosses on the front of the cab with two bolts (6) and two hard washers (7) .
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| Illustration 6 | g01900493 |
View of mounting plate (5) that is installed with two bolts (6) and two hard washers (7) | |
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| Illustration 7 | g01900999 |
View of two bracket assemblies (8 ) that are installed on mounting plate (5) | |
- Install two bracket assemblies (8) to mounting plate (5) with two bolts (6) and two hard washers (7) .
Note: Bosses on the front of the cab may not be in exact location shown. If modification is required, drill holes where needed in mounting plate (5). Do not remove or weld bosses on the front of cab. The front of the cab is part of the Rollover Protective Structure (ROPS). Welding on the ROPS must be certified.
Note: Alternate holes on mounting plate (8) may be used. Check the location of the bosses for your machine.
Note: Be sure to use the correct bracket assemblies for your machine. Refer to Table 3 for the correct part number for your machine.
- Install cover assembly (1) with two bolts (9) and two hard washers (10) .
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| Illustration 8 | g01901134 |
View of new cover assembly (1), two bolts (9) and two hard washers (10) that are installed | |
- Install four bolts (9) and four hard washers (10) on the left-hand side of cover assembly (1) in order to secure the cover to the cab.
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| Illustration 9 | g01901036 |
View of four bolts (9) and four hard washers (10) that are installed | |
- Install four bolts (11) and four hard washers (10) to the two lower mounting locations on cover assembly (1) .
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| Illustration 10 | g01901032 |
View of four bolts (11) and four hard washers (10) that are installed | |
- Install one bolt (6) and one hard washer (7) on the top of cover assembly (1) .
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| Illustration 11 | g01901030 |
View of bolt (6) and hard washer (7) that is installed | |