Technical Data; Troubleshooting; Machine Data; Optional Equipment - Atlas Copco 72D Instrucciones De Seguridad Y De Funcionamiento

ALF 72D, 72D-1, 67/80D, BMK 62S, BMK 91RS

Technical data

Troubleshooting

Problem Cause
Insufficient feed force Low air pressure.
Valve has stuck or gaskets are worn (only
ALF models).
Piston rod gasket worn or deformed.

Machine data

Type Part number
Single telescope
ALF 72D 8321 0201 80
ALF 72D-1 8321 0201 81
BMK 62S 8321 0102 02
BMK 91RS 8321 0104 27
Double telescope
ALF 67/80D 8321 0201 69

Optional equipment

Description
Lubricator for BBC, BBD, RH:
BLG 30, for mineral oil
CLG 30, for both mineral and synthetic oil
Water separator for BBC, BBD, RH
VAM 5A, for airflow up to 120 l/s(254 cfm)
Air line accessories for 25 mm (0.98 in.)
Rubber hose, 30 m (1.18 in.)
Claw coupling
Two-piece hose clamp
Pressure gauge for compressed air and water pressure
Gauge
Extra needle set
Compressed air hose 25 mm (0.98 in.) for rock drill and feed, fitted with couplings for:
BBD 94W together with ALF 72D, ALF 72D-1, ALF 67/80D and BMK 91 RS
Compressed air hose 20 mm (0.79 in.) for rock drill and feed, fitted with couplings for:
RH 656W together with BMK 62S
© 2012 Atlas Copco Construction Tools AB | No. 9800 0680 90c | 2012-07-04
Original instructions
Suitable for Feed length
rock drill mm (in.)
BBD 94W 1300
(51.2)
BBD 94W 1200
(47.2)
RH 656W 1300
(51.2)
BBD 94W 1300
(51.2)
BBD 94W 1855
(73)
Safety and operating instructions
Solution
Increase air pressure to 6 bar (87 psi).
Dismantle the valve and clean it if necessary. Replace gaskets if
worn or deformed.
Replace the gasket.
Length Length
retracted extracted
mm (in.) mm (in.)
1970 3270
(77.6) (128.7)
1830 3030
(72) (119.3)
1815 3115
(71.5) (122.6)
1730 3030
(68.1) (119.3)
1595 3450
(62.8) (135.8)
Part number
8202 5102 05
8202 5102 39
8092 0110 82
9030 2041 00
9000 0313 00
9000 0197 00
9090 0550 80
9090 0678 90
9030 2068 00
9030 2067 00
Piston
Weight bore
kg (Ib) mm (in.)
19 70
(41.9) (2.8)
16 70
(35.3) (2.8)
17 53
(37.5) (2.1)
24 67
(52.9) (2.6)
19 67/80
(41.9) (2.6/3.1)
19