CRRC MS-BT20 User manual

Hydraulic Installation Tool
MS-BT20
for 1/2” Meishan Bobtail
P.N. of Tool
MS-BT20
P.N. of Nose
MS-7880L
P.N. of Cutting Nose
MS-7880CC
Operating temp. range
°C
0-60
Noise
dBA
45±3
Max. Vibration
m/s²
2
Weight of Tool
kg
3
Effective Displacement
mm
51.5
PULL Pressure (Installation)
MPa
28-30
PUSH Pressure (Installation)
MPa
15-20
PULL Pressure (Cutting)
MPa
35-40
PUSH Pressure (Cutting)
MPa
15-20
Standards
EN 2006/42/EG
Meishan CRRC Fastening System Co., Ltd.

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Contents
1. Safe................................................................................................................................................1
1.1 Work Site.................................................................................................................................1
1.2 Personal Safety........................................................................................................................1
1.3 Maintenance Safety ................................................................................................................2
1.4 Specific Safety Rules................................................................................................................2
2. Product data..................................................................................................................................4
2.1 Specification............................................................................................................................4
2.2 Overall Dimensions .................................................................................................................5
2.3 Product Structure and Nomenclature.....................................................................................6
3. Operation ......................................................................................................................................7
3.1 Before Startup.........................................................................................................................7
3.2 Assembly of Tool .....................................................................................................................7
3.3 Standard of Riveting................................................................................................................7
3.4 Sequence of Installation..........................................................................................................8
3.5 Typical incorrect operation .....................................................................................................8
4. Maintenance.................................................................................................................................9
4.1 Caution....................................................................................................................................9
4.2 Product Service Kit and Performance Parameters ..................................................................9
4.3 Configuration List....................................................................................................................9
4.4 Replacement of Nose Assembly............................................................................................10
4.5 Replacement of Other Components .....................................................................................10
5. Troubleshooting Guidance..........................................................................................................11
APPENDIX 1 - List of Warranty and Life Cycle..................................................................................13
Appendix 2 – Authorized Service center and Agent in Australia.....................................................14

1
1. Safe
Please read this entire manual carefully. Meishan CRRC Fastening System Co.,
Ltd.(hereinafter referred as Meishan) assumes no liability for any fire or severe injury
caused by failing to follow the instructions provided hereinafter or any damage or
personal injury resulted from lack of maintenance or improper operation.
Do not rip off the warning signs, labels or decals. In case of any problem or
concern, please contact Meishan for further instructions.
1.1 Work Site
a. Keep the tool away from flammable liquid, gas and dust.
b. Do not operate the tool around children or unauthorized personnel.
c. Keep the tool away from fire and heat sources.
1.2 Personal Safety
a. Maintain focus and attention on the operation while using this tool. Do not
operate the tool when you are affected by fatigue, drugs, alcohol or medical
treatment.
b. Always wear safety goggles, dust mask, anti-skid shoes, safety helmet and ear
protections while using the tool.
c. Dress properly when operating the tool. Do not wear loose clothes or jewelry.
Keep your hair and clothes away from the tool’s moving parts.
d. Do not drop or abuse the tool. Reasonable care of the tools by operators is an
important factor in maintaining tool efficiency, eliminating downtime, and
preventing an accident which may cause severe personal injury.
e. Keep tools away from children. People who do not understand how to operate

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the tool are not permitted to use the tool.
f. Tool maintenance. Inspect the moving parts for damage and other conditions
that may affect the moving of the tool. Repair any part failure before continued
use.
g. Use the proper tool, nose assembly and accessories from Meishan as needed.
1.3 Maintenance Safety
a. If the tool experiences significant damage or failure, then send the tool to a
professional repairman for repair.
b. Follow this manual for replacement of components and basic troubleshooting.
c. Keep the tool dry, clean and free of grease.
d. Replace worn or damaged parts by genuine products from Meishan.
1.4 Specific Safety Rules
Repairmen and Operators must read this manual prior to using equipment and
understand all Warning and Caution stickers/labels supplied with equipment before
connecting equipment to any primary power supply. As applicable, each section in
this manual contains specific safety and information on best practices.
a. Ear protection is required.
b. Inspect the collect assembly for wear, cracks or any other visible damage before
use.

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c. Please hold the tool firmly, and be ready to counteract any normal or sudden
movements with both hands available.
d. Maintain a balanced body position and secure footing. When operating at height,
always check to make sure no one is beneath you.
e. Use the correct nose assembly for the different type of rivets.
f. Do not keep the tool continuously running for 10minutes, otherwise, have a
break for 3 min after using for 10 minutes continuously.

4
2. Product data
Independently developed by Meishan, The hydraulic tool MS-BT20 with nose
assembly MS-7880L equipped, installs 1/2” Mono-tail. The tool is characterized by
long service life, light weight, easy operation and low noise.
2.1 Specification
P.N. of Tool
MS-BT20
P.N. of Nose
MS-7880L
Operating temp. range
°C
0-60
Noise
dBA
45±3
Max. Vibration
m/s²
2
Weight of Tool
kg
3
Effective Displacement
mm
51.5
PULL Pressure(installation)
MPa
28-30
PUSH Pressure(installation)
MPa
15-20
PULL Pressure(cutting)
MPa
35-40
PUSH Pressure(cutting)
MPa
15-20
Standards
EN 2006/42/EG

5
2.2 Overall Dimensions
Overall dimensions of MS-BT20:
Dimension in mm

6
2.3 Product Structure and Nomenclature
No.
Description
P.N.
No.
Description
P.N.
1
1. Cylinder assembly
MS-BT20-01
11
11. PULL fluid hose
MS-BT20-07
2
2. Back-up ring
MS-BT20-09
12
12. PUSH fluid hose
MS-BT20-08
3
3- O-Ring
MS-BT20-10
13
13. Polyseal
MS-BT20-14
4
4. GLYD ring
MS-BT20-11
14
14 Connecting base
MS-BT20-04
5
5. Back-up ring
MS-BT20-12
15
15. Set screw
MS-BT20-15
6
6. O-ring
MS-BT20-13
16
16. End cap
MS-BT20-03
7
7. Anvil (nose assembly)
MS-7880L-01
17
17. Piston
MS-BT20-02
8
8. Clamping jaw (nose
assembly)
MS-7880-02-D
7.1
7.1- Anvil Connector
MS-7880L-03
9
9. Trigger
MS-BT20-06
8.2
8.2- Jaw Connector
MS-7880L-04
10
10. Tool handle
MS-BT20-05

7
3. Operation
3.1 Before Startup
a. Select the correct nose assembly for the specific fastener to be installed.
(See section 3.2 for the steps of nose installation)
b. Turn the hydraulic system to OFF and disconnect the power supply from unit,
then connect the tool hoses to the tool;
c. Connect the tool’s control switch electrical cord to the hydraulic unit.
d. Connect the hydraulic unit to the power supply. Turn on the unit. Press the
tool’s trigger a few times to circulate the hydraulic fluid. Observe the action
of the tool and check for any leaks.
e. Check the PULL and PUSH pressure, if necessary, adjust to the proper
pressure.
3.2 Assembly of Tool
STEP1: Thread the anvil to the piston.
STEP 2: Thread the jaw into the connecting base through the anvil.
3.3 Standard of Riveting
Standard of installed rivet: completely deformed collar and complete pintail.
Qualified
NOT Qualified
NOT Qualified

8
3.4 Sequence of Installation
a. Thread the collar until the pintail is fully exposed.
b. Insert the tool, and make sure the jaws catch onto the proper area of the pintail, as shown
above.
c. Press and hold the trigger to swage the collar.
d. Release the trigger when the collar is fully swaged.
3.5 Typical incorrect operation
Standard correct operation is required to avoid any accidents from occurring.
Please follow the figure below, otherwise, the incorrect operation shown below may
lead to failure of installation, damage to the tool’s moving parts, and even personal
injury.
Incorrect operation (Jaws have caught
onto the incorrect area)
Correct operation

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4. Maintenance
4.1 Caution
a. Disconnect the tool from power source before maintenance.
b. Whenever the tool is disassembled (and also at regular intervals depending on
length of use) replace all seals, wipers, and back-up rings inside of the tool.
Check the cylinder assembly, piston, unloading rod for surface scratches,
excessive wear or damage. Replace components as needed.
c. Check for and clean any foreign debris or dirt out of the nose assembly on a
regular basis. Check the nose assembly and tool daily use.
d. Contact Meishan or its authorized service center for questions on the tool’s
repair and maintenance.
4.2 Product Service Kit and Performance Parameters
S/N
Description
Drawing No.
Service Life
Remarks
1
Anvil
MS-7880L-01
20000 pulls
Consumables
2
Jaw
MS-7880-02D
4000 pulls
4.3 Configuration List
Hydraulic riveting tool*1, nose assembly*1

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4.4 Replacement of Nose Assembly
The nose assembly is a moving and consumable part. See section 2.3 for the
detailed structure diagram.
For replacement of other parts, see section 3.2 and disassemble the nose
assembly in the opposite order.
4.5 Replacement of Other Components
In case of any damage to other parts and components, please contact the client
service center of Meishan CRRC Fastening System Co., Ltd. We will always be at your
service 24 hours a day.

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5. Troubleshooting Guidance
Problem
Cause
Solution
Tool fails to operate
when trigger is
pressed
The hydraulic system failed.
See the Manual of
hydraulic unit.
Loose or faulty hose coupling.
Check and tighten
the connection.
Damaged trigger assembly.
Replace the trigger.
Tool operates in
reverse.
Reversed hose connections between
hydraulic unit and tool.
Check the hose
connections and
adjust them to the
correct orientation.
Tool leaks hydraulic
fluid
Defective tool O-rings or loose connections
at tool.
Replace the O rings
or tighten the hose.
Hydraulic fluid
overheats
Unit not operating properly. Unit is running
in reverse.
See the Manual of
hydraulic unit.
Tool operates
erratically and fails
to install fastener
properly
Low or erratic hydraulic pressure. Air in
system.
See the Manual of
hydraulic unit.
Damaged or worn Piston O-ring in tool.
Replace the O-ring.
Excessive wear on sliding surfaces of tool
parts. Excessive wear on internal cylinder
surfaces.
Replace the cylinder
or parts.
Pull grooves on
fastener pintail
stripped during PULL
circle.
The operator is not sliding anvil completely
onto fastener pintail.
Operate the tool
correctly, as per
section 3.4.
Incorrect fastener grip.
Check the grip and
replace with proper
rivet.
Worn or damaged jaw segments.
Replace the
clamping jaws.
Foreign debris in jaw grooves.
Clean the jaws
Excessive sheet gap.
Correct the gap.
Excessive PULL pressure.
Adjust the pull
pressure.

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Collar not
completely swaged.
Improper tool operation.
Operate the tool
correctly as per
section 3.4.
Scored anvil.
Replace the anvil.
Tool "hangs up" on
swaged collar of
fastener
Improper tool operation.
Operate the tool
correctly as per
section 3.4.
Jaws in wrong
position.
Improper operation.
Check and re-install
the spring.
Note: In case of any unsolvable problems, please disconnect the power supply
of tool immediately and consult the technicians of Meishan.

13
APPENDIX 1 - List of Warranty and Life Cycle
P.N.
Desc.
Warranty
Life Cycle
TOOL
MS-BT20-01
Cylinder ASSY.
1 year/50,000 pulls*1
\
MS-BT20-02
Piston
1 year/50,000 pulls*1
\
MS-BT20-05
Handle
1 year/50,000 pulls*1
\
MS-BT20-07
Pipe
1 year/50,000 pulls*1
\
Wear parts
N/A
Seals Kit
20,000 pulls
\
MS-BT20-06
Trigger Switch
20,000 pulls
\
MS-7880L-01
Anvil
20,000 pulls
20,000 pulls
MS-7880-02-D
Jaw
4,000 pulls
4,000 pulls
*1: whichever comes first shall be prevailed.
Note: the Warranty and Life Cycle are based on standard operation and proper maintenance
without artificial damage.
Requirements on replacing consumables and wear parts:
1. the trained bench worker is required using specific tools.
2. the warranty period of TOOL components shall NOT be re-calculated by replacing wear parts.
3. if the TOOL is failed during warranty period, send it to Meishan or its authorized service center
to repair.
Requirements for use:
1. Check and confirm no obvious crack on tool;
2. Hold tool trigger depressed for 30 seconds; depress trigger a few times to cycle tool and to
circulate hydraulic fluid. Observe action of tool and check for leaks.
3. Check and confirm the pressure is correct.

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Appendix 2 – Authorized Service center and Agent in Australia
BOKE Engineering Technology Pty Ltd
Address : 18 Emerald Street, Murarrie, QLD 4172, Australia
Contact: William He
Mobile: [phone]
Email: [e-mail]

MEISHAN CRRC FASTENING SYSTEM CO.,LTD.
Add：Road No.2,Hi-tech Zone, Dongpo district, Meishan City, Sichuan Province, China
Tel：[phone] 0086 28 38189591
Fax：[phone]
Email: pengjin_m[email protected]
[email protected]m
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