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850E/855E Crawler Service Manual
1,071 pages
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855E Crawler Operator’s Manual
176 pages
Complete digital official shop manual contains service, maintenance, and troubleshooting information for the Case 850E, 855E Crawler. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your Case 850E/855E Crawler like a professional mechanic in local service/repair workshop. This cost-effective quality manual is 100% complete and intact as should be without any missing pages. It is the same factory shop manual used by dealers that guaranteed to be fully functional to save your precious time.
This manual for Case 850E/855E Crawler is divided into different sections. Each section covers a specific component or system and, in addition to the standard service procedures, includes disassembling, inspecting, and assembling instructions. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. It is in the cross-platform PDF document format so that it works like a charm on all kinds of devices. You do not need to be skilled with a computer to use the manual.
EXCERPT:
DISASSEMBLING THE TRACK CHAIN
1. Install the carrier and driver needed to disassemble the track chain.
2. Put the track chain on the table so that the track shoe surface is up and the pin half of the master link will be the first link disassembled.
IMPORTANT: Before pressing a bushing and pin out of the link, make sure that the drivers are aligned with the pin and bushing to prevent damage to the bores in the link.
3. Put the bushing in the first notch in the carrier and actuate one of the rams to press that pin out of a link.
4. Retract the ram and remove the link from the driver.
5. Actuate the other ram and press the pin out of the other link.
6. Retract the ram and remove the link from the driver and the pin from the bushing.
7. Move the track chain forward one bushing.
8. Actuate one of the rams to press the pin and bushing out of a link.
9. Retract the ram and remove the link from the driver.
10. Actuate the other ram to press the pin and bushing out of the other link.
11. Retract the ram and remove the link from the driver and the pin from the bushing.
12. Repeat steps 7 through 11 until the track chain is disassembled.
13. Remove the spacers from the pins and seals.
14. Remove the seals and rubber rings from the links.
15. Clean all parts in cleaning solvent.
16. Use a wire brush and clean the seal bore in each link.
17. Use a wire brush and clean the reservoir in each pin.
18. See Usage Guide for Pins and Bushings.
ASSEMBLING THE TRACK CHAIN
IMPORTANT: If a wet turn is being made, the parts of the track must be clean.
1. Remove the drivers used for disassembly and install the drivers used to assemble the track chain. The same carrier is used.
2. Use a straightedge and measure the offset of the drivers. The offset of the drivers must be 1.433 inches (36.4 mm). Add or remove shims between the long driver and base as required.
3. Adjust the relief valve for the track press to 5921 psi (40 825 kPa).
4. If a wet turn is being made, install a new plug in each pin.
a. Make sure that the bore in the pin is clean and free of any lubricant.
b. Lubricate the bore in the pin with Loctite Safety Solvent or water and soap.
c. Put the guide (CAS-1851-1 or CAS-1852-1) on the end of the pin and lubricate the bore of the guide.
d. Use the driver CAS-1851 and drive the plug into the pin. The plug must be approximately 0.39 inch (10 mm) below the end of the pin.
5. Make sure that there is a good chamfer on both ends of all the pins so that metal will not be removed from the bores in the links when the links are pressed onto the
pins.
6. The first link assembly to be assembled is the bushing half of the master link.
7. Install a bushing in the far notch. If the bushings are being turned, put the bushing in the carrier so that the mark made before disassembly is on top.
8. Install a link half on one of the drivers and actuate the ram to hold the link half against the carrier.
9. Install the other link half on the other driver and actuate the other ram until the link half touches the bushing. Check to make sure that the parts are even with each other.
10. Actuate the ram to press the bushings into both link halves.
11. Measure the bushing projection at both ends of the bushing. If the measurement is not 0.067 inch (1.7 mm), add or remove shims between the long driver and base as required.
12. Use the gauge and pin to check the spacing of the link halves.
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