Vurgulamak:
O-RING D75S-5 seal
, O-RING D68ESS-12 gasket
, high-quality O-RING seals
1. Quick Details of seal 07000-73045:
| Part NO. |
07000-73045 |
| Machine |
Crawler Dozer |
| Size |
5.7 mm thickness |
| Material |
SILICON |
| Oil seal type |
O RING |
2. 07000-73045 parts on group :
| NO. |
PART NO. |
PRAT NAME |
QTY |
| 1 |
134-13-61010 |
TORQUE CONVERTER A. |
1 |
| 2 |
14X-10-11712 |
STRAINER |
1 |
| 3 |
14X-49-12411 |
SPRING |
1 |
| 4 |
14X-10-11721 |
COVER |
1 |
| 5 |
07000-72090 |
O-RING |
1 |
| 6 |
01010-81235 |
BOLT |
3 |
| 7 |
01643-31232 |
WASHER |
3 |
| 8 |
14X-49-12310 |
MAGNET ASS'Y |
1 |
| 9 |
14X-49-12330 |
HEAD |
1 |
| 10 |
07000-72110 |
O-RING |
1 |
| 11 |
07000-72100 |
O-RING |
1 |
| 12 |
14X-49-12320 |
SPRING |
1 |
| 13 |
14X-49-12340 |
COVER |
1 |
| 14 |
01010-81235 |
BOLT |
4 |
| 15 |
01010-81235 |
BOLT |
4 |
| 16 |
01643-31232 |
WASHER |
4 |
| 17 |
01643-31232 |
WASHER |
4 |
| 18 |
14X-49-11512 |
TUBE |
1 |
| 19 |
07000-73045 |
O-RING |
2 |
| 20 |
01010-81245 |
BOLT |
2 |
| 21 |
01643-31232 |
WASHER |
2 |
| 22 |
07042-80108 |
PLUG |
1 |
3. 07000-73045 picture:
4. Service part number :
| PART NO. |
PART NO. |
Part NO. |
| 707-99-44290 |
707-51-45640 |
707-99-75600 |
| 707-35-91750 |
707-51-10130 |
707-51-14110 |
| 707-99-76030 |
707-51-10211 |
707-51-14130 |
| 707-99-76230 |
707-51-11030 |
707-51-16030 |
| 707-99-76260 |
707-51-11110 |
707-98-27100 |
| 707-99-76300 |
707-51-11860 |
707-51-16130 |
| 707-99-77050 |
56D-50-13170 |
707-51-17030 |
| 707-99-77090 |
56D-50-13171 |
707-51-16130 |
| 707-99-77120 |
707-51-11050 |
707-51-17030 |
| 707-99-77130 |
707-51-95650 |
707-51-17130 |
| 707-99-77140 |
421-63-H0P12 |
707-51-18030 |
| 707-99-77160 |
707-51-10630 |
707-51-18130 |
| 707-99-77190 |
707-51-10640 |
707-51-19030 |
| 707-99-77220 |
707-51-10650 |
707-51-20250 |
| 707-99-77240 |
707-98-60110 |
707-35-52700 |
5. FAQ
Q: What are these O-rings and what do they do?
A: These are elastomeric O-rings, used in both static and dynamic applications to prevent fluid or gas leaks between mating parts. They maintain pressure integrity, block contaminants, and are common in hydraulic systems, pumps, valves, and engine components.
Q: What material are these red O-rings typically made of?
A: The red color most commonly indicates silicone rubber (VMQ). They may also be high-temperature nitrile (NBR) or fluorosilicone (FVMQ), but silicone is the standard material for red O-rings.
Q: What common mistakes cause these O-rings to fail early?
A: The most frequent causes are improper installation (twisting, pinching, or overstretching), chemical incompatibility with the system fluid, extreme temperatures leading to hardening or brittleness, scratches on mating surfaces, and using the wrong size or hardness (durometer) for the application.
Q: What are the key properties of silicone rubber for this seal?
A: Silicone offers excellent heat resistance (operating range roughly -60°C to +200°C), great flexibility even at low temperatures, and strong resistance to ozone, weathering, and aging. It works well with hot air, steam, and non-polar fluids, though it is not recommended for use with most mineral oils or fuels.
Q: How long can a properly installed silicone O-ring last?
A: In static applications with clean conditions and within rated temperatures, silicone O-rings can last for many years. In dynamic applications or with incompatible fluids, their lifespan will be significantly shorter.
Q: Can I reuse these O-rings after removing them?
A: No, reusing is never recommended. Once an O-ring has been compressed or stretched during installation, it can develop permanent deformation or hidden damage. Always install a new O-ring during reassembly to ensure a reliable, leak-proof seal.
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