Allied Hy-Ram HR270, Safety, Operation And Maintenance Instructions, Page: 11 / 60

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Table of Contents - [cont’d]
Section Pg.
Table 14.1 Specifications……………..………..…… 45
Table 14.2 & 3 Tightening Torque – Side Rods..… 47
Table 14.3 Tightening Torque – Mounting Bracket 47
15.0 Service Record……………………………….. 48
List of Figures
Figure Pg.
S1- Safety Alert Symbol……………………………… ii
S2- Safety Message Presentation – Typical………. Ii
L1-14: Information Labels Found On Breaker……… iv
L15-Label Positions………………………………….. iv
Pictograms Used In This Manual………………….. v
2-1 Equipment Identification………………….…….. 3
2-2 Equipment Identification Tag……………….….. 3
4-1 Main Components of Hydraulic Breaker……… 6
4-2 Cutaway View of the Breaker…………….…… 6
5-1 Auxiliary Conversion Circuit…………………….. 9
6-1 Install Window Guards………………………….. 10
6-2 Operate at 90° to Work Surface……………….. 11
6-3 Start at Outer Edge & Work Inward……………. 11
6-4 Do Not Overheat Tool….………………………. 11
6-5 Do Not Blank Fire……………………………….. 11
6-7 Do Not Pry with the Breaker……………….…… 12
6-8 Do Not Drop Breaker or Hack at the Material… 12
6-9 Do Not Operate With Cylinders At Stroke End 12
6-10 Do Not Lift or Carry Objects With Breaker……. 13
6-11 Travel With Breaker Low to Ground…………. 13
6-12 Correct and Incorrect Parking Positions…….. 13
6-13 Working Underwater Requires Modifications 13
7-1 Vibration Dampening – Buffers & Wear Plates 17
7-2 Keep Dust Plugs Installed In Housing Box …… 17
7-3 Internal Parts of Front Head……………………. 18
7-4 Measure Gap Between Tool and Bushing…… 19
Figure Pg.
7-5 Measure Tool for Wear…………………..……. 19
7-6 Measure Bushing for Wear…………...………. 19
7-7 Piston With Damage to Impact Face……….… 20
7-8 Measuring Oil Pressure……………......……… 22
8-1 Use Approved Lift Points…………..………….. 23
8-2 Improper Park Position…………………………. 23
8-3 Push Piston to Its Highest Position………….. 24
8-4 Protect Piston Against Water Damage……….. 24
8-5 Protect Breaker With Tarp………………...…… 24
9-1 Top Mounting Bracket - Typical……..……...… 25
9-2 Attach Breaker to Carrier……..……..…………. 26
9-3 Install Pins and Keepers……………………….. 26
9-4 Port Connection Markings [IN] and [OUT]…… 26
9-5 Connect Hoses to Carrier……………..………. 27
9-6 Check Hose Movement……………….………. 27
9-7 Close Shut Off Valve to Breaker………….…. 27
10-1 Tool Retainer System – HR290……….…….. 29
10-2 Tool Retainer System – HR270……………… 29
10-3 thru 10-5 Tool Removal………….…………… 31
10-6 Pre-Lube the Tool Shank……………….…… 31
10-7 Tool Lubrication – Correct Position…………. 32
10-8 Tool Seated Against Thrust Ring………….. 32
10-9 Lubricant Must Be Visible to Operator……… 32
10-10 Tool Lubrication – Incorrect Position……… 32
10-11 Carrier Mounted AutoLube.……………..…. 33
10-12 Breaker Mounted AutoLube……………..…. 33
11-1 Conical, Chisel, Blunt Tools……………….... 34
11-2 Tool Working Length………………………... 35
12-1 N
2
Gas Back Head..……………..….….…… 35
12-2 N
2
Gas Accumulator...………………….…… 35
14-1 Flow-Pressure Diagram……………….……. 43
14-2 General Dimensions – HR270….………….. 46
14-3 General Dimensions – HR290….………….. 46
14-4 Torque Locations……………………………. 47
14-5 Angle of Rotation & Tightening Sequence… 47
14-6 Fastener Torque Mounting Bracket………… 47