- Wheel Tractor-Scraper:
- 621G (S/N: DBB642-650)
- 621G (S/N: DBX489-497)
Introduction
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Illustration 1 | g01051135 |
This Special Instruction for the USN Seabees 621G Wheel Tractor-Scraper is a supplement to the commercial Parts Manuals, SEBP4232 and SEBP4233. The specific machine configuration is identified in the following tables with the additional parts identification and service information as required.
Parts Information
221-3052 Tractor General Ar
Wheeled Tractor
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Table 1
Wheeled Tractor     |
PIN (S/N: DBB642-650)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
    |
    |
221-3052     |
1     |
Tractor General Ar     |
(1)     |
    |
    |
    |
276-8470     |
1     |
Communication Installation Gp     |
(1)     |
    |
    |
    |
255-4611     |
1     |
Plate and Film Gp     |
(1)     |
    |
    |
    |
154-4486     |
1     |
Tire Gp     |
(1)     |
    |
    |
    |
160-6184     |
1     |
Flood Lighting Gp     |
(1)     |
    |
    |
    |
228-5322     |
1     |
Power Train Guard Gp     |
(1)     |
    |
    |
    |
169-6845     |
1     |
Circulating Fan Gp     |
(1)     |
    |
    |
    |
243-4525     |
1     |
Retarder Ar     |
(1)     |
    |
    |
    |
8X-5849     |
1     |
Steering Frame Lock Gp     |
(1)     |
    |
    |
    |
242-7101     |
1     |
Secondary Steering Ar     |
(1)     |
    |
    |
    |
313-4955     |
1     |
Jacket Water Heater Gp     |
(1)     |
    |
    |
    |
322-1937     |
1     |
Frame As     |
2     |
    |
    |
    |
342-5844     |
1     |
Machine Conversion Gp     |
3     |
    |
    |
    |
342-5846     |
1     |
Plate and Film Gp     |
4     |
    |
    |
    |
327-4451     |
1     |
Literature Gp     |
5     |
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( 1 ) | Refer to Parts Manual, SEBP4232. |
322-1937 Frame As
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Table 2
322-1937 Frame As     |
PIN (S/N: DBB642-650)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
2     |
322-1935     |
2     |
Tie Down Plate As     |
    |
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Illustration 2 | g02000873 |
342-5844 Machine Conversion Gp
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Table 3
342-5844 Machine Conversion Gp     |
PIN (S/N: DBB642-650)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
3     |
5R-4467     |
1     |
Receptacle As     |
    |
    |
2     |
3     |
108-3612     |
2     |
Spacer     |
    |
    |
3     |
3     |
120-9071     |
1     |
Bracket     |
    |
    |
4     |
3     |
168-8280     |
1     |
Start Switch Gp     |
    |
    |
5     |
3     |
309-4588     |
1     |
Bracket As     |
    |
    |
6     |
3     |
309-4589     |
1     |
Bracket     |
    |
    |
7     |
3     |
322-1936     |
1     |
Bumper As     |
    |
    |
8     |
3     |
331-9993     |
1     |
Cable As     |
    |
    |
9     |
3     |
331-9994     |
1     |
Cable As     |
    |
    |
10     |
3     |
5C-2874     |
4     |
Nut     |
    |
    |
11     |
3     |
6V-8189     |
4     |
Nut     |
    |
    |
12     |
3     |
8C-7323     |
2     |
Bolt     |
    |
    |
13     |
3     |
8C-8843     |
16     |
Bolt     |
    |
    |
14     |
3     |
8T-0326     |
4     |
Bolt     |
    |
    |
15     |
3     |
8T-0328     |
8     |
Hard Washer     |
    |
    |
16     |
3     |
8T-4224     |
8     |
Hard Washer     |
    |
    |
17     |
3     |
8T-5361     |
16     |
Hard Washer     |
    |
    |
18     |
3     |
8T-9043     |
4     |
Bolt     |
    |
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Illustration 3 | g02057376 |
342-5846 Plate and Film Gp
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Table 4
342-5846 Plate and Film Gp     |
PIN (S/N: DBB642-650)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
4     |
3R-8597     |
4     |
Film-Lift     |
    |
    |
2     |
4     |
5R-7323     |
4     |
Film-Tie     |
    |
    |
3     |
4     |
164-2306     |
1     |
Film-Slave Recp.     |
    |
    |
4     |
4     |
322-1732     |
1     |
Shipping Plate     |
    |
    |
5     |
4     |
322-1733     |
1     |
Information Plate     |
    |
    |
6     |
4     |
342-4860     |
2     |
Stencil- Reg. No.     |
    |
    |
7     |
4     |
039-6360     |
8     |
Rivet     |
    |
A, F     |
8     |
4     |
4C-5842     |
1     |
Black Paint     |
    |
B. F     |
9     |
4     |
311-9285     |
36     |
Green Paint     |
    |
A-Sold by the 16oz. Aerosol Can B-Sold by the Liter F-NOT SHOWN     |
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Illustration 4 | g02011173 |
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Table 5
PIN (S/N: DBB642-650)     |
193-2443 Polyethylene Bag (Qty:1)     |
Type of Manual     |
Manual Number     |
OMM     |
SEBU7856     |
Lube     |
SEBU6250     |
Supplement     |
SEBU6981     |
Special Instruction     |
REHS2348     |
Parts Book     |
SEBP4232     |
Parts Book     |
SEBP4233     |
Parts CD     |
SERP4232     |
Parts CD     |
SERP4233     |
Safety Manual     |
SEBU5593     |
221-3053 Scraper General Ar
Wheeled Scraper
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Table 6
Wheeled Scraper     |
PIN (S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
    |
    |
221-3053     |
1     |
Scraper General Ar     |
(1)     |
    |
    |
    |
255-4614     |
1     |
Plate and Film Gp     |
(1)     |
    |
    |
    |
211-0605     |
1     |
Overflow Guard Gp     |
(1)     |
    |
    |
    |
194-7085     |
1     |
Fender and Mounting Gp     |
(1)     |
    |
    |
    |
263-3290     |
1     |
Fast Fill Fuel Adapter Gp     |
7     |
    |
    |
    |
3Z-4956     |
1     |
Modification Ar     |
8     |
    |
    |
    |
334-4650     |
1     |
Scraper Special Ar     |
11     |
    |
    |
    |
154-4486     |
1     |
Tire Gp     |
(1)     |
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( 1 ) | Refer to Parts Manual, SEBP4233. |
263-3290 Fast Fill Fuel Adapter Gp
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Table 7
263-3290 Fast Fill Fuel Adapter Gp     |
(S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
5     |
7X-7700     |
1     |
Filler Cap As     |
    |
    |
2     |
5     |
9D-0630     |
1     |
Dust Cap     |
    |
B     |
3     |
5     |
124-2463     |
1     |
Fast Fill Fuel Adapter     |
    |
    |
4     |
5     |
163-5455     |
1     |
Shutoff Valve Assembly     |
    |
B     |
5     |
5     |
188-5095     |
1     |
Vent As     |
    |
    |
6     |
5     |
271-1768     |
1     |
Hose As     |
    |
    |
7     |
5     |
274-9338     |
1     |
Tube As     |
    |
    |
8     |
5     |
275-0041     |
1     |
Strainer     |
    |
    |
9     |
5     |
275-0042     |
1     |
Gasket     |
    |
    |
10     |
5     |
275-0137     |
1     |
Guard As     |
    |
    |
11     |
5     |
314-2791     |
1     |
Plate As     |
    |
    |
12     |
5     |
317-7888     |
1     |
Tube As     |
    |
    |
13     |
5     |
168-6890     |
1     |
Clip     |
    |
    |
14     |
5     |
168-6891     |
1     |
Clip     |
    |
    |
15     |
5     |
198-4778     |
4     |
Hard Washer     |
    |
    |
16     |
5     |
1J-9671     |
2     |
O-Ring Seal     |
    |
    |
17     |
5     |
1P-3709     |
1     |
Rectangular Seal     |
    |
    |
18     |
5     |
2A-1371     |
6     |
Bolt     |
    |
    |
19     |
5     |
5H-6734     |
2     |
O-Ring Seal     |
    |
    |
20     |
5     |
5M-3062     |
3     |
Bolt     |
    |
    |
21     |
5     |
5P-2566     |
5     |
Bolt     |
    |
    |
22     |
5     |
5P-2618     |
2     |
Connector     |
    |
    |
23     |
5     |
6V-1574     |
1     |
Grommet     |
    |
    |
24     |
5     |
7L-6326     |
3     |
Clip     |
    |
    |
25     |
5     |
7X-0332     |
4     |
Bolt     |
    |
    |
26     |
5     |
8T-4223     |
5     |
Hard Washer     |
    |
    |
27     |
5     |
8T-4224     |
6     |
Hard Washer     |
    |
    |
28     |
5     |
8T-4896     |
15     |
Hard Washer     |
    |
    |
29     |
5     |
8T-4983     |
1     |
Hose Clamp     |
    |
    |
30     |
5     |
9B-7237     |
12     |
Bolt     |
    |
    |
31     |
5     |
9X-2207     |
1     |
Fuel Cap Adapter     |
    |
A     |
32     |
5     |
5P-1253     |
211     |
Hose     |
    |
A-Sold by the Centimeter B-Apply a medium strength, general-purpose adhesive/sealant onto the threads.     |
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Illustration 5 | g02013441 |
3Z-4956 Modification Ar
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Table 8
3Z-4956 Modification Ar     |
(S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
    |
8X-6716     |
1     |
Push Block Ar     |
9     |
    |
2     |
    |
143-0748     |
1     |
Extension As     |
10     |
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Table 9
8X-6716 Push Block Ar     |
(S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
6     |
8X-6715     |
1     |
Extension As     |
    |
    |
2     |
6     |
8X-6713     |
1     |
Plate As     |
    |
    |
3     |
6     |
102-1632     |
1     |
Block     |
    |
    |
4     |
6     |
102-2499     |
1     |
Step As     |
    |
    |
5     |
6     |
8T-8917     |
4     |
Bolt     |
    |
    |
6     |
6     |
5P-1076     |
4     |
Hard Washer     |
    |
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Illustration 6 | g02057693 |
143-0748 Extension As
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Table 10
143-0748 Extension As     |
(S/N: DBX489-497)     |
Part of 3Z-4956 Modification Ar     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
7     |
8X-6715     |
1     |
Extension As     |
    |
    |
2     |
7     |
143-0747     |
2     |
Plate     |
    |
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Illustration 7 | g02013733 |
334-4650 Scraper Special Ar
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Table 11
334-4650 Scraper Special Ar     |
(S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
    |
325-9708     |
1     |
Chassis Ar     |
12     |
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Table 12
325-9708 Chassis Ar     |
(S/N: DBX489-497)     |
Part of 334-4650 Scraper Special Ar     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
    |
4T-0244     |
1     |
Apron Lift     |
(1)     |
    |
2     |
    |
4T-1211     |
1     |
Ejector     |
(1)     |
    |
3     |
    |
199-0632     |
1     |
Apron     |
(1)     |
    |
4     |
    |
207-1876     |
1     |
Scraper Lines Guard Gp     |
(1)     |
    |
5     |
    |
227-8280     |
1     |
Scraper Hydraulic Control Ar     |
(1)     |
    |
6     |
    |
234-3680     |
1     |
Draft Frame Gp     |
(1)     |
    |
7     |
    |
330-8613     |
1     |
Scraper Bowl Ar     |
13     |
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( 1 ) | Refer to Parts Manual, SEBP4233. |
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Table 13
330-8613 Scraper Bowl Ar     |
(S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
    |
199-0631     |
1     |
Scraper Bowl Gp     |
14     |
    |
2     |
    |
330-6027     |
1     |
Push Block Gp     |
15     |
    |
3     |
    |
330-6842     |
1     |
Bowl Conversion Ar     |
16     |
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Table 14
199-0631 Scraper Bowl Gp     |
(S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
8     |
4J-5193     |
2     |
Pin     |
    |
    |
2     |
8     |
5J-1980     |
2     |
Pin     |
    |
    |
3     |
8     |
8W-2083     |
1     |
Pin As     |
    |
    |
4     |
8     |
206-6318     |
1     |
Bowl     |
    |
    |
5     |
8     |
7X-0326     |
1     |
Bolt     |
    |
    |
6     |
8     |
8T-4223     |
1     |
Hard Washer     |
    |
    |
7     |
8     |
8T-9398     |
2     |
Bolt     |
    |
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Illustration 8 | g02058316 |
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Table 15
330-6027 Push Block Gp     |
(S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
9     |
8X-8488     |
2     |
Push Block As     |
    |
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Illustration 9 | g02058334 |
330-6842 Bowl Conversion Ar
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Table 16
330-6842 Bowl Conversion Ar     |
(S/N: DBX489-497)     |
NOTE     |
    |
    |
    |
    |
PART NAME     |
REF/TABLE     |
REF NO |
ILLUS NO     |
PART NUMBER     |
QTY     |
1     |
2     |
3     |
4     |
5     |
6     |
(Product Level)     |
    |
1     |
10     |
6F-8480     |
4     |
Plug     |
    |
    |
2     |
10     |
102-3455     |
1     |
Handhold     |
    |
    |
3     |
10     |
225-8929     |
2     |
Bar     |
    |
    |
4     |
10     |
331-8400     |
4     |
Plate As     |
    |
    |
5     |
10     |
331-8402     |
1     |
Plate As     |
    |
    |
6     |
10     |
8D-7729     |
2     |
Boss     |
    |
    |
7     |
10     |
8Y-7755     |
2     |
Boss     |
    |
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Illustration 10 | g02058373 |