To prevent personal injury, release the pump pressure and disconnect the hose from the pump before
making any repairs. Repairs must be performed in a dirt-free environment by a qualified person who is
familiar with this type of equipment.
6
3
1. Loose couplers.
2. Restricted hydraulic line or fitting.
3. Pump not working correctly.
4. Ram seals leaking.
1. Leaky connection.
2. Ram seals leaking.
3. Pump or valve not working correctly.
1. Worn or damaged seals.
2. Loose connection.
1. Pump release valve closed.
2. Loose couplers.
3. Blocked hydraulic lines.
4. Weak or broken retraction springs.
5. The ram is damaged internally.
6. The pump reservoir is too full.
1. Tighten couplers.
2. Clean and replace if damaged.
3. Repair or replace as necessary.
4. Replace worn seals. Look for
excessive contamination or wear.
1. Clean, reseal with thread sealant
and tighten connection.
2. Replace worn seals. Look for
excessive contamination or wear.
Replace contaminated oil.
3. Repair or replace as necessary.
1. Replace worn seals. Look for
excessive contamination or wear.
Replace contaminated oil.
2. Clean, reseal with thread sealant,
and tighten connection.
1. Open the pump release valve.
2. Tighten the couplers.
3. Clean and flush the lines.
4. Send to a service centre for repair.
5. Send to a service centre for repair.
6. Drain the oil to the correct level.
Ram piston extends
slower than normal.
Ram does not hold
pressure.
Ram leaks hydraulic
oil.
Ram will not retract or
retracts slower than
normal.
SPECIFICATIONS
Order
Model
Pressure rating
Usable oil
Oil volume per
Oil port
A
Net
code
number
PSI (Bar)
capacity
stroke (cc)
thread
Length
weight
(KEN-503)
Stage 1 Stage 2
(cc)
Stage 1 Stage 2
(mm)
(kg)
-8800K* HPS035 10,000
-
350
3.2
-
1/4
NPT
292
5.7
(700)
-
-8820K** HPS060 10,000
-
600
3.2
-
1/4
NPT
478
7.1
(700)
-
-8900K HPT035
200
10,000
350
7.0
1.0
3/8
NPT
310
5.3
(13.8)
(700)
-8940K HPT070
200
10,000
700
13.0
2.8
3/8
NPT
528
8
(13.8)
(700)
-8960K HPT250
200
10,000
2500
13.0
2.8
3/8
NPT
632
12
(13.8)
(700)
Order
Model Capacity
A
Oil Cylinder
B C
D E
Oil
Net
code
number (Tonne) Stroke cap Bore dia.
Length (mm)
Outside dia. (mm) port weight
(KEN-503)
(cm) (cc)
(mm) Retracted Extended Piston Ram thread (kg)
-7170K* HRP004
4
10
65
28.5
230
330
22
38
1/4
NPT
1.8
-7190K** HRP010
10
15 243
45
325
475
33
57
1/4
NPT
5.3
Hand
pumps
Push
rams
Order
Model
Capacity
A
Cylinder
B
Oil
Net
code
number
(Tonne)
Stroke
Bore dia.
Overall
port
weight
(KEN-503)
(cm)
(mm)
length (mm)
thread
(kg)
-7180K HRP005
5
15
34
740
1/4
NPT
6.7
Pull
ram
Order
Model Capacity
Oil
Net
code
number (Tonne)
port weight
(KEN-567)
thread (kg)
8240K
-
1/2
1/4
NPT
1.7
Spreader
ram
1 tonne (metric ton or t) = 1000Kg
1 ton (imperial ton) = 2240lbs (1016Kg)
PLEASE NOTE
The load capacity of the
hydraulic ram is affected when extension rods
are used. Please see “APPLICATIONS AND
LOAD CAPACITY” on page 4 for details.
TROUBLE SHOOTING - RAMS
Continued
REPAIRS
SPARES
POSSIBLE CAUSE
SOLUTION
FAULT
Repair kits containing washers, “O” rings and seals:
Resealing:
HAND PUMPS
KEN-503-8900K
Twin speed 350cc
capacity. (repair kit KEN-567-8080K)
KEN-503-8940K
Twin speed 700cc
capacity. (repair kit KEN-567-8090K)
KEN-503-8960K
twin speed 2500cc
capacity. (repair kit KEN-567-8100K)
KEN-503-8800K
Single speed 350cc
capacity. Used with the 4 tonne Repair Kit
(KEN-503-7240K). (repair kit KEN-567-
8050K)
KEN-503-8820K
Single speed 600cc
capacity. Used with the 10 tonne Repair
Kit (KEN-503-7260K) and the 10 tonne
Bench Press (KEN-985-5000K). (repair kit
KEN-567-8060K)
PUSH RAMS
KEN-503-7170K
4 tonne with 100mm/4”
stroke. Used with the 4 tonne Body
Repair Kit KEN-503--7240K. (repair kit
KEN-567-8000K)
KEN-503-7190K
10 tonne with
150mm/6” stroke. Used with the 10
tonne Body Repair Kit KEN-503-7260K.
(repair kit KEN-567-8020K)
PULL RAM
KEN-503-7180K
5 tonne with 150mm/6”
stroke. (repair kit KEN-567-8010K)
SPREADER RAM
KEN-567-8240K
5 tonne with 150mm/6”
stroke. (repair kit KEN-567-8250K)
BENCH PRESS
KEN-985-5000K
10 tonne. (repair kit
KEN-567-8250K)
Use an approved, high grade pipe thread sealant to seal all hydraulic connections. PTFE Teflon tape (KEN-
983-9000K) can be used, making sure it is applied carefully (two threads back) to prevent the tape from
being pinched by the coupler and broken off inside the pipe end. Any loose pieces of tape could travel
through the system and obstruct the flow of fluid or cause the jamming of precision fitted parts.
* The same hand pump is used on the 4 tonne Kennedy Repair Kit (KEN-503-7240K).
** The same hand pump is used on the Kennedy Bench Press (KEN-985-5000K) and on the 10 tonne Kennedy Repair Kit
(KEN-503-7260K).
* The same push ram is used on the 4 tonne Kennedy Repair Kit (KEN-503-7240K).
** The same push ram is used on the 10 tonne Kennedy Repair Kit (KEN-503-7260K).
D
E
A
B
C
A
Oil port
thread
Oil port thread
A
B
Oil port thread
Oil port thread
KEN-503-7170K_8960K_Instructions_KEN-503-7170K_8960K_Instructions.qxd 11/07/2012 13:10 Page 3
