Secoroc Qlx 50/55 - Atlas Copco Secoroc QLX Series Operator Instructions Manual

Secoroc QLX 50/55

Down-the-hole hammer
1
9
Ref. Part
1 Exhaust tube
2 Chuck for QLX 50
2 Chuck for QLX 55
3 Bit retaing ring assembly
4 O-ring* (bit retainer)
5 O-ring* (bit bearing)
6 Bit bearing
7 Lock ring
8 Casing for QLX 50
8 Casing for QLX 55
9 Piston
10 Seal - piston tail bore
11 Inner cylinder
12 Valve assembly
12a O-ring* (valve)
12b O-ring* (valve)
13 O-ring* (compression cone)
14 Compression cone
15 Air distributor
16 Plug, guide flow select
17 Detent assembly
17a Plunger* (detent)
17b Plunger spring* (detent)
17c Plunger retainer plug* (detent)
18 Check valve spring
19 Check valve
20 O-ring* (check valve)
Atlas Copco Secoroc AB
Box 521, SE-737 25 Fagersta, Sweden
Phone +46 223 461 00
E-mail: secoroc@se.atlascopco.com
www.atlascopco.com
2 3 4
10 11
16 17 18
17c
17b
17a
Prod. No. Product code
90515427 9257
52335312 9705-QX-00-000-25-000-001
52334927 9705-QX-00-000-25-H00-001
52335569 9705-QX-00-000-25-000-A02
– –
– –
89010090 9705-QX-00-000-00-000-A22
52335577 9705-QX-00-000-00-000-058
89010067 9705-QX-00-000-00-000-004
89010084 9705-QX-00-000-00-H00-004
52335353 9705-QX-00-000-25-000-005
52335486 9705-QX-00-000-00-000-054
52335361 9705-QX-00-000-00-000-048
52338514 9705-QX-00-000-00-000-A45
– –
– –
– –
52335502 9705-QL-00-000-00-000-014
89010063 9705-QX-00-000-00-000-042
89010064 9705-QX-00-000-00-000-052
89010126 9705-QX-00-000-00-000-089
– –
– –
– –
89010065 9705-QX-00-000-00-000-016
89010066 9705-QX-00-000-00-000-017
– –
5 6 7
12 12a 12b
19 20 22
21
Ref. Part
21 Choke plug solid**
21 Choke plug 1/8" **
21 Choke plug 1/4" **
22 O-ring* (backhead)
23 Backhead assembly for QLX 50
23 Backhead assembly for QLX 55
*O-rings not sold separately. Included in different kits, see table.
**Item 21 - Choke plug 1/4" and choke plug 1/8" may be used to bypass more air to reduce
pressure and/or increase bailing velocity.
Hammers and kits
QLX 50 Complete, API 3 1/2" Reg. Pin
QLX 55 Complete, API 3 1/2" Reg. Pin
E-kit QLX50, API 3 1/2" Reg Pin
incl. item 2, 4, 5, 8, 10, 12, 2x13, 20, 22, 23
E-kit QLX55, API 3 1/2" Reg Pin
incl. item 2, 4, 5, 8, 10, 12, 2x13, 20, 22, 23
O-ring kit incl. items 2x4, 5, 22
Sustainability kit
incl. O-ring kit + items 10, 12, 2x13, 20
Wear limits
Chuck
Casing reverse diam. QLX 50
Casing reverse diam. QLX 55
Casing discard diam. QLX 50/55
Bit bearing
Piston / casing clearence
Piston / inner cylinder clearence
Exhaust tube protrusion
8
13
13 14
23
Prod. No. Product code
50899137 9706-QL-00-000-00-000-180
50899129 9706-QL-00-000-00-000-181
50899111 9706-QL-00-000-00-000-182
– –
89010121 9705-QX-00-14P-00-000-A20
89010122 9705-QX-00-14P-00-HB0-A20
Prod. No. Product code
89010092 9705-QX-00-14P-64-000
89010093 9705-QX-00-14P-64-HB0
89010124 9705-QX-00-14P-64-000-K40
89010125 9705-QX-00-14P-64-HB0-K40
89010176 9705-QX-00-000-00-000-K47
89010123 9705-QX-00-000-00-000-K70
Min. length
Min. OD
Min. OD
Min. OD
Max I.D
Max.
Max.
15
1,85" / 47,0 mm
4,65" / 118,1 mm
4,84" / 122,9 mm
4,38" / 111,3 mm
3,019" / 76,68 mm
0,01" / 0,25 mm
0,009" / 0,23 mm
2,07" / 52,58 mm
29