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© 2005 Ingersoll-Rand Company
Form 52086477
Edition 2
March 2005
JH40 Jackhamer Parts List
Parts and Maintenance
When the life of the tool has expired, it is recommended that the tool be disassembled, degreased and parts be separated by material so that they can be recycled.
Tool repair and maintenance should only be carried out by an authorized Service Center.
Refer all communications to the nearest Ingersoll-Rand Office or Distributor.
Related Documentation
For additional information refer to:
Air Percussive Drill Product Safety Information Manual Form 04584975,
Air Percussive Drill Product Information Manual Form 51985323,
Air Percussive Drill Maintenance Information Manual Form 51991057.
Item Part Description Part Number Item Part Description Part Number
1 Rod, Assembly (2) 50003185 • 49 Piston 50965987
2 Nut, Assembly Rod (2) 50003193 50 Nut, Rifle 50004183
3 Retainer, Tube 50503606 Piston Stem Bearing Assembly 50719772
• 4 O-Ring, Tube Retainer 95086526 51 Bearing, Piston Stem 50719806
5 Tube 50763762 52 Sleeve, Piston Stem Bearing 92046598
• 6 Rubber, Tube 50045673 54 Chuck
8 Handle 50924380 for JH40C1 (7/8"x3-1/4") 50014554
9 Stud, Handle 50899467 for JH40C2 (7/8"x4-1/4") 50014588
10 Nut, Crown (2) 52134608 for JH40C3 (1"x4-1/4") 50014562
11 Washer (4) 51948016 55 Driver, Chuck 50003375
12 Lock Washer, Handle Bolt (2) 95210415 56 Nut Chuck 50023126
13 Grip Handle (2) 51716454 58 Fronthead
Assembly, Throttle Valve 50809748 for JH40C1 50896380
14 Valve, Throttle 50809730 for JH40C2 and JH40C3 50793264
15 Lever, Throttle Valve 51085637 59 Bushing, Fronthead (2) 50009182
• 16 O-Ring, Throttle Valve (2) 95018099 60 Holder, Steel
17 Pin, Locating 95957668 for JH40C1 and JH40C2 50008945
18 Plug, Handle 95049359 for JH40C3 50008960
19 Plunger, Throttle Valve 50003748 61 Bolt, Steel Holder (2) 50009174
20 Spring, Throttle Valve Plunger 50170927 62 Spring, Steel Holder Bolt (2) 51357606
22 Connection, Hose 50974013 63 Nut, Steel Holder Bolt (2) 50009158
• 23 O-Ring 95086161 64 Retainer Ring,
24 Cap, Hose Connection 50028117 Steel Holder Bolt Nut (2) 50009190
33 Muffler 50997915 * Rock Drill Oil
* Nameplate MX90-34 (specially formulated oil for use with
34 Cap, Muffler 50719871 percussive construction tools)
* Warning Label WARNING-6-99 † Light Oil
35 Cylinder 50719889 (for use when temperature is 90°F
• 37 Seal, Rotation Ratchet 50719731 [32°C] or below)
• 38 Ratchet, Rotation 50719723 1 gallon container 51378701
39 Dowel Pin, Rotation Ratchet 95385720 5 gallon container 51378727
40 Rifle Bar 50003888 55 gallon container 51378743
• 41 Pawl, Rotation (4) 50172386 † Light Oil
• 42 Plunger, Rotation Pawl (4) 50172394 (for use when temperature is
• 43 Spring, Rotation Pawl Plunger (4) 50173269 above 90°F [32°C])
45 Valve, Chest 50719830 1 gallon container 51378693
46 Valve 50006816 5 gallon container 51378719
47 Guide, Valve 50719822 55 gallon container 51378735
* Not Illustrated.
• To keep downtime to a minimum, it is desirable to have on hand certain repair parts. We recommend that you stock one (pair or set) of each part indicated by
a (•) for every four tools in service.
† Using any oil other than the oil listed may significantly reduce the life of the tool.