![background image](http://html1.mh-extra.com/html/tronair/columbus-jack-2295-10pr/columbus-jack-2295-10pr_operation-and-service-manual_1171187008.webp)
Model: 2295-10PR (9694-010)
95 Ton (86 Metric Ton) Alligator Axle Jack
01/2019 | Rev. 01
Page | 5
7.0
MAINTENANCE
7.1
SPECIAL MAINTENANCE INSTRUCTIONS
7.1.1
Verify or Recharge Nitrogen Pressure in Accumulator
1. Open release valve and ensure rams are fully collapsed.
2. Open accumulator flow control valve (Figure 3, Item 69) located under frame.
3. Connect Nitrogen Charging Kit (P/N 9649-N or equal) to top of accumulator and charge accumulator to 225 psi maximum.
NOTE: Charge accumulator per instructions supplied with charging kit.
4. Close accumulator flow control valve.
5. Disconnect Nitrogen Charging Kit.
6. Perform 7.2 Bleed/Charge Procedure for Hydraulic Fluid in Accumulator.
7.2
BLEED/CHARGE PROCEDURE FOR HYDRAULIC FLUID IN ACCUMULATOR
WARNING
!
DO NOT attempt to dis-assemble the accumulator.
1. Open release valve.
2. Connect Hydraulic Gauge Kit (P/N 9649-P or equal) to cap on the test port tee at bottom of accumulator.
3. Close release valve.
4. Fully extend both cylinder rams.
5. Open accumulator flow control valve located under frame.
6. Loosen the hose fitting located at the top of the cylinder assembly.
7. Using hand pump on jack, slowly pump hydraulic fluid until all entrapped air is removed.
8. Tighten hose fitting at the top of the cylinder.
9. Loosen the hose fitting of the Hydraulic Gauge Kit on test port tee at bottom of accumulator.
10. Using hand pump on jack, slowly pump hydraulic fluid until all entrapped air is removed.
11. Tighten hose fitting on test port tee.
12. Using hand pump on jack, pressurize system to 425 psi (29.3 bar) maximum.
13. Close accumulator flow control valve located under frame.
14. Open release valve and verify that rams retract fully.
15. As there may be some residual pressure in the system, slowly remove Hydraulic Gauge Kit from bottom of accumulator
and install cap on tee.
16. Cycle rams several times to verify smooth extension and retraction.
7.3
SHOP AIDS AVAILABLE
Bushing Spanner Wrench
9385-1001
Spanner Wrench
9385-2
Ram Removal Tool
9380-2
Nitrogen Charging Kit
9649-N
Hydraulic Gauge Kit
9649-P
7.4
OVERHAUL KITS AVAILABLE
Seal Kit
KC2295-10PR
Repair Kit KD2295-10PR
8.0
PROVISION OF SPARES
8.1
SOURCE OF SPARE PARTS
Spare parts may be obtained from the manufacturer:
Columbus
Jack
/Regent
Telephone: 614.443.7492
1 Air Cargo Pkwy East
Fax:
614.444.9337
Swanton, Ohio 43558 USA
E-mail:
Website:
www. columbusjack.com
8.2
RECOMMENDED SPARE PARTS LISTS
Reference the following page(s) for Replacement Parts and Kits available.
9.0
IN SERVICE SUPPORT
Contact Columbus Jack. for technical services and information. See Section 1.3
Manufacturer.
Summary of Contents for Columbus Jack 2295-10PR
Page 2: ...REVISION DATE TEXT AFFECTED 01 01 2019 Original release ...
Page 26: ......
Page 27: ...APPENDIX I Routine Jack Maintenance Bulletins ...
Page 28: ......