Atlas Copco HB 3100 User Manual

Bolt connections/Tightening torques
The bolt connections of hydraulic breakers are subjected to very high loads.
♦
Tighten any loose connections without exceeding the recommended tightening torques.
HB 4700
HB 4700 DP
HB 4100
HB 4100 DP
HB 3600
HB 3600 DP
HB 3100
HB 3100 DP
Size
Torque
Type of
spannerIntervalPos.Connection point
27 mm
2300 Nm
Allen keydailyAAdapter plate*
(fastening screws)
75 mm75 mm75 mm65 mmTorque wrench/
power wrench
weekly visual
check
BTensioning bolts**
17 mm
380 Nm
Allen keyin case of a
repair
CCover for control
mechanism / control
mechanism
(Allen screws /
hexagon head screws)
22 mm
300 Nm
Allen keyin case of a
repair
DAutoControl System
24 mm
300 Nm
socket spannerin case of a
repair
EPowerAdapt
22 mm
130 Nm
socket spannerin case of a
repair
FFilling valve »G«
(threaded plug)
5 mm
20 Nm
Allen key
55 mm
285 Nm
open-ended
wrench
weeklyGPorts »P« and »T«
17 mm
200 Nm
Allen keyin case of a
repair
HStartSelect
(plug)
30 mmsocket spannerweeklyIHP-accumulator***
(expansion bolts)
10 mm
80 Nm
Allen keyweeklyJFlanges
(Allen screws)
41 mm
200 Nm
open-ended
wrench
in case of a
repair
KPercussion chamber
ventilation
10 mm
85 Nm
Allen keydailyLSwivel joint covers
(Allen screws)
Various open-ended spanners with different spanner sizesweekly-Hose connections
ContiLube
®
II
Apply anti-seize compound to the Allen screw threads before inserting them. The contact faces of the screw
head and the lock washers must not be lubricated.
*
1. Pre-tighten the tensioning bolts to 500 Nm crosswise,**HB 3100
2. retighten 120° (2 hexagons) crosswise,**HB 4100
3. retighten 180° (3 hexagons) crosswise
1. Pre-tighten the tensioning bolts to 500 Nm crosswise,**HB 3600
2. retighten 150° (2.5 hexagons) crosswise,
3. retighten 180° (3 hexagons) crosswise
1. Pre-tighten the tensioning bolts to 500 Nm crosswise,**HB 4700
2. retighten 180° (3 hexagons) crosswise
3. retighten 120° (2 hexagons) crosswise,
Tightening regulations for expansion bolts on HP-accumulator:***HB 3100
1. Treat the threads of the expansion bolts and the threaded inserts with Anti-Seize agent.***HB 3600
2. Treat the surfaces between the expansion bolt head, washer, and HP-accumulator cover with Anti-Seize
agent.
***HB 4100
***HB 4700
3. Place on the HP-accumulator, and tighten the expansion bolts by hand in a crosswise fashion.
4. Pretighten the expansion bolts to 80 Nm, proceeding in a crosswise fashion.
5. Tighten each expansion bolt through 30° in a crosswise fashion.
6. Finally tighten each expansion bolt again through 60° in a crosswise fashion.
© 2012 Atlas Copco Construction Tools GmbH | No. 3390 5096 01 | 2012-04-26
Original instructions
52
HB 3100, 3100 DP, 3600, 3600 DP, 4100, 4100 DP,
4700, 4700 DP
MAINTENANCE

Atlas Copco HB 3100 Specifications

General

Brand	Atlas Copco
Model	HB 3100
Category	Construction Equipment
Language	English