CEJN CTHP-700-07 User guide

Original Instructions Manual
Thanks for using CEJN products.
For your safety using, please read this manual and keep it.
Our CEJN has authority of all CEJN products.
Our products must not be modified or copied without our permission.
(CTHP-700-07, CTHP-700-10, CTHP-800-10, CTHP-700-20, CTHP-700-27, CTHP-150-27, CTHP-700-53,
CTHP-1800, CTHP-2500, CTHP-2800, CTHP-1800L, CTHP-2500L, CTHP-2800L,
CTHP-1800-20, CTHP-2500-20, CTHP-2800-20, CTHP-1800-40, CTHP-2500-40, CTHP-2800-40)
Original Instructions
Manual
HYDRAULIC HAND PUMP
Doc.No : CEJN – OP - 001

C-Rev5-BAA 2 / 61Page
Contents
1. INTENDED USE ........................................................................................................ 3
2. DESCRIPTION OF PRODUCTS .............................................................................. 4
3. INSTALLATION .......................................................................................................... 13
4. MAINTENANCE ......................................................................................................... 19
5. TROUBLESHOOTING GUIDE .................................................................................. 20
6. PART-LIST ................................................................................................................. 21
7. SPARE PART LIST .................................................................................................. 54

C-Rev5-BAA 3 / 61Page
1. INTENDED USE
Basic configuration of pump, cylinder and hydraulic control.
- Some examples of possible system configurations using CEJN hydraulic products.
- System configuration such as production process, facility maintenance process and press lifting is
possible.
- CEJN hydraulic system could be designed in various system ways a according to work and be
applied to any applications.
- We will provide you the best products possible.
Hand pump system
- The most basic system configuration is a cylinder drive system using a hand pump.
1) Cylinder (single acting / double acting type can be used): Mechanical actuator using power from
hydraulic fluid.
2) Hand pump: Device for converting fluid energy into mechanical energy.
3) Gauge Block : Parts for combining gauge and pump.
4) Manual Valve : Valve for controlling double acting cylinder.
5) Hose: To transfer fluid
6),7) Coupler : Connector hose with cylinder.
8) Gauge : Measurement for force and pressure.

C-Rev5-BAA 4 / 61Page
2. DESCRIPTION OF PRODUCTS
2-1. SPECIFICATION
Model
No.
Maximum
Pressure
(bar)
Volume Per Stroke
(cc)
Piston
Stroke
(mm)
Usable
Oil
Capacity
(cc)
Oil Tank
Capacity
(cc)
Max.
Handle
Effort
(kg)
Dimensions
(mm)
Max.
Weight
(kg)
Low
Pressure
High
Pressure
CTHP-
700-07
700
20.9cc
(at20bar)
2.47cc
(at700bar)
26
500
700
44
516*120
*163
4.6
CTHP-
700-10
700
20.9cc
(at20bar)
2.47cc
(at700bar)
26
800
1,000
35
586*120
*163
5.3
CTHP-
800-10
800
20.9cc
(at20bar)
2.47cc
(at800bar)
26
800
1,000
35
586*120
*163
5.3
CTHP-
700-20
700
32.7cc
(at20bar)
2.47cc
(at700bar)
26
1,700
2,000
35
632*120
*182.5
7.2
CTHP-
700-27
700
41cc
(at20bar)
2.94cc
(at700bar)
26
2,400
2,700
38.5
644*120
*200.5
8.6
CTHP-
150-27
150
11.7cc (at150bar)
26
2,400
2,700
38.5
644*120
*200.5
8.6
CTHP-
700-53
700
41cc
(at20bar)
2.94cc
(at700bar)
26
5,000
5,300
38.5
644*170
*200.5
14.5
CTHP-
1800
1800
20cc
(at20bar)
0.8cc
(at1800bar)
26
1,900
2,200
35
670*120
*197
8.1
CTHP-
2500
2500
20cc
(at20bar)
0.8cc
(at2500bar)
26
1,900
2,200
45
670*120
*197
8.1
CTHP-
2800
2800
20cc
(at20bar)
0.8cc
(at2800bar)
26
1,900
2,200
51.8
670*120
*197
8.1
CTHP-
1800-20
1800
20cc
(at20bar)
0.8cc
(at1800bar)
26
1,700
2,000
33.9
670*120
*178
7.7
CTHP-
2800-20
2800
20cc
(at20bar)
0.8cc
(at2800bar)
26
1,700
2,000
48.3
670*120
*178
7.7
CTHP-
1800-40
1800
20cc
(at20bar)
0.8cc
(at1800bar)
26
3,700
4,000
33.9
670*130
*185
11.7
CTHP-
2500-40
2500
20cc
(at20bar)
0.8cc
(at2500bar)
26
3,700
4,000
42.9
670*130
*185
11.7
CTHP-
2800-40
2800
20cc
(at20bar)
0.8cc
(at2800bar)
26
3,700
4,000
48.3
670*130
*185
11.7
2-2. Change of specification
- The technical team of CEJN has been trying to improve the produce. Therefore,
all products and specifications are subject to change without notice.

C-Rev5-BAA 5 / 61Page
2-3. CONFIGURATION (CTHP-700-07, 700-10, 800-10)
(Figure – 1)
2-4. CONFIGURATION (CTHP-700-20, 700-27, 150-27, 700-53)
(Figure – 2)

C-Rev5-BAA 6 / 61Page
2.5. OPERATION DIAGRAM
(CTHP-700-07, 700-10, 800-10, 700-20, 700-27, 150-27, 700-53)
(Figure – 3)

C-Rev5-BAA 7 / 61Page
2-6. CONFIGURATION (CTHP-1800, 2500, 2800,)
(Figure – 4)
2-7. CONFIGURATION (CTHP-1800-20, 1800-40, 2500-40, 2800-20, 2800-40)
(Figure – 5)

C-Rev5-BAA 8 / 61Page
2.8. OPERATION DIAGRAM
(CTHP-1800,2500,2800,1800-20,1800-40,2500-40,2800-20,2800-40)
(Figure – 6)

C-Rev5-BAA 9 / 61Page
2-9. OUTSIDE VIEW (CTHP-700-07)
(Figure – 7)
2-10. OUTSIDE VIEW (CTHP-700-10, 800-10)
(Figure – 8)

C-Rev5-BAA 10 / 61Page
2-11. OUTSIDE VIEW (CTHP-700-20)
(Figure – 9)
2-12. OUTSIDE VIEW (CTHP-700-27, 150-27)
(Figure – 10)

C-Rev5-BAA 11 / 61Page
2-13. OUTSIDE VIEW (CTHP-700-53)
(Figure – 11)
2-14. OUTSIDE VIEW (CTHP-1800, 2500, 2800)
(Figure – 12)

C-Rev5-BAA 12 / 61Page
2-15. OUTSIDE VIEW (CTHP-1800-20, 2800-20)
(Figure – 13)
2-16. OUTSIDE VIEW (CTHP-1800-40, 2500-40, 2800-40)
(Figure – 14)

C-Rev5-BAA 13 / 61Page
3. INSTALLATION
3-1. CAUTION FOR SAFETY
3-1-1. IMPORTANT RECEIVING INSTRUCTIONS
◦ Read this manual for your safety using and keep it close to you for reading anytime.
◦ Read all instructions, warnings and cautions carefully. Follow all safety precautions to avoid
personal injury or property damage during system operation.
① Visually inspect all components for shipping damage.
Damage during shipping is not covered by warranty. If damage in shipment is founded notify
carrier immediately. The carrier is responsible for all repair and replacement costs resulting from
damage during shipping.
② Before using, inspect the products have all components and accessories . If not, notify seller or
CEJN at once.
③ If you find problem when using initially , Stop working in order to avoid additional problems and
notify seller or CEJN immediately.
3-1-2. INSTRUCTIONS
Follow all safety precautions to avoid personal injury or property damage during system operation.
CEJN cannot be responsible for damage or injury resulting from unsafe product use, lack of
maintenance or incorrect product and/or system operation. Contact CEJN or seller when in doubt as
to the safety precautions and operations.
① Wear proper personal protective gear when operating hydraulic pump.
ex) protective glasses, safety shoe, gloves etc.
② When replacement for maintenance Use genuine CEJN parts.
③ Keep hydraulic pump away from heat.
Inordinate heat will make packing and seal weak ,resulting in oil leaks.
④ Do not hit or drop on hydraulic pump with heavy object such as hammer, etc.
⑤ Do not touch directly working oil with bare hand.
⑥ Use hydraulic equipment in a coupled system. before using Make sure that
couplers are connected.
⑦ To promote long pump life keep hydraulic equipment clean and Maintain regularly.
⑧ Consider working condition.

C-Rev5-BAA 14 / 61Page
3-1-3. CAUTION!
Caution indicates a potentially hazardous situations which, if not avoided, may result in minor
or moderate injuries, or may cause damage to your hydraulic pump.
3-1-4. CAUTION!
Never set the relief valve to a higher pressure than the maximum rated pressure of the
pump.
Higher settings may result in equipment damage and/or personal injury.
Do not remove relief valve.
① Always be careful.
- before using hydraulic pump read all instructions, cautions and warnings carefully.
② Keep working place and worktable clean and remove all hindrances.
- Untidy workplace causes personal injury or damage.
③ Wear proper working clothes.
- Put on nonslip shoes outdoor to avoid to slide.
④ Always use the handle to carry the pump. Carrying the pump by the hose may damage the hose
and/or the pump.
⑤ Use property hydraulic pump.
- Do not use pump for a wrong purpose.
- Do not exceed hydraulic pump ratings.
The hydraulic pumps are designed for a max. pressure of 700bar [10,000]psi, 2800bar [40,000]psi.
- Overloading causes pump failure and personal injury.
⑥ Only permit authorized person to enter workplace.
- Hydraulic pumps and hoses must only be serviced by qualified hydraulic technician.
⑦ Operate hydraulic pump at a stable position.
⑧ Storage hydraulic pump with clean condition.
- Keep hydraulic pump away from rain water, direct sunlight, moisture, frames and heat.
- Storage the product at the place of fresh air condition.
- keep hydraulic pump clean for safe using.
⑨ Before operating make sure that equipment has no damage.
⑩ For repair, contact the Authorized CEJN service center in your area or CEJN.
- Do not modify or remodel hydraulic pump by yourself .

C-Rev5-BAA 15 / 61Page
3-2. USING
3-2-1. HYDRAULIC HAND PUMP (150~800bar)
① Connect hydraulic hand pump to hydraulic cylinder as shown in figure-15.
No need to open air valve (automatic venting valve system.)
② Turn the handle cock clockwise as shown in figure-16, and Operate the pump handle up and
down
at a stable position to deliver hydraulic power and extend the cylinder.
③ The cylinder could be returned by turning the handle cock counterclockwise
as shown in figure-16.
④ When it is needed Refill with clean working oil No.15.
⑤ Hydraulic hand pump need careful and regular maintenance.
(Figure – 15)
(Figure – 16)

C-Rev5-BAA 16 / 61Page
3-2-2. HYDRAULIC HAND PUMP (1800 ~ 2800 bar)
① Connect hydraulic hand pump to hydraulic bolt-tensioner as shown in figure-17.
No need to open air valve (automatic venting valve system.)
② Turn the handle cock clockwise as shown in figure-18, and Operate the pump handle up and
down
at a stable position to deliver hydraulic power and extend the bolt-tensioner.
③ The bolt-tensioner could be returned by turning the handle cock counterclockwise
as shown in figure-18.
④ When it is needed Refill with clean working oil No.15.
⑤ Hydraulic hand pump need careful and regular maintenance.
(Figure – 17)
(Figure – 18)

C-Rev5-BAA 17 / 61Page
3-2-3. POSITION
- Be sure setup is stable before operating at a right position as shown in figure-19.(150 ~ 800bar)
(Figure – 19)
- Be sure setup is stable before operating at a right position as shown in figure-20. (1800 ~ 2800 bar)
(Figure – 20)

C-Rev5-BAA 18 / 61Page
3-2-4. MANUAL VALVE DOUBLE-ACTING (150 ~ 800bar)
- See figure – 21 to set manual valve (double-acting) on hydraulic pump.
(Figure – 21)

C-Rev5-BAA 19 / 61Page
4. MAINTENANCE
Use only ISO No.15 hydraulic oil with these pumps to promote long pump life and to protect your
warranty.
Viton and N.B.R seal kits are available for some hand pumps.
Contact your CEJN representative for more information on these products and their applications.
4-1. CHANGING THE OIL
- Refill with clean working oil No.15 every 12 months. If oil is contaminated change it more often.
See below figure-22.
(CTHP-07~53, CTHP-1800-20, 2800-20, 1800-40, 2500-40, 2800-40)
(Figure – 22)
- Refill with clean working oil No.15 every 12 months. If oil is contaminated change it more often.
See below figure-23.
(CTHP-1800, 2500, 2800)
(Figure – 23)
4-2. CLEANING PUMP SURFACE
- Hydraulic pump surface could be damaged by oil such as gasoline, petroleum, thinner, etc. Keep
the pump away from them. Wipe pump surface with a dry cloth.
4-3. A/S
- When repair or replacement Contact your distribution in your area or our CEJN service center.
Do not fix or disassemble hydraulic pump by yourself.

C-Rev5-BAA 20 / 61Page
4-4. DISPOSAL CONSIDERATIONS
- This product is a controlled waste. Collect and dispose of waste product at an authorized facility,
in conformance with national and local regulations, and in accordance with EEC Directives on the
disposal of waste oil.
4-5. WARRANTY
- If the hand pump is operated according to its intended use and the regular maintenance services
are observed our warranty is 12 months from the time of delivery.
5. TROUBLESHOOTING GUIDE
The following information is intended as an aid in determining if a problem exists.
For repair service, contact the Authorized CEJN Service Center.
Table 1, Troubleshooting Guide
Problem
Possible Cause
Solution
Cylinder does
not advance,
advances slowly,
or advances
erratically.
1. Low oil level in pump reservoir.
2. Release valve open or not fully
closed.
3. Hydraulic coupler not properly
connected.
4. Load is too heavy.
5. Air trapped in system.
6. Reservoir is overfilled.
1. Add oil according to the instructions in
figure – 23,24
2. Close the release valve.
3. Check that all couplers are fully tightened.
4. Do not attempt to lift more than rated
tonnage.
5. Remove air.
6. Remove excess oil from reservoir.
Cylinder
advances, but
does not hold
pressure.
1. Leaking connection.
2. Leaking seals.
3. Internal leakage in pump.
1. Check that all connections are tight and
leak free.
2. Locate leak(s) and have equipment
serviced.
3. Locate leak(s) and have equipment
serviced.
Cylinder does
not retract,
retracts part
way, or retracts
more slowly
than
normal.
1. Release valve closed.
2. Hydraulic coupler not properly
connected.
3. Hose inside diameter too
narrow.
1. Open the release valve
2. Check that all couplers are fully tightened.
3. Use larger diameter hydraulic hose.