GREASE STATION
MANUAL
Form No. M1008-PO
Revision 2
August 2001
Page 1
Grease Station
This Page Left Blank Intentionally
Page 2
Grease Station Installation
The Tramac valve, DP-2/3, will drop the autolube pressure signal from the working
pressure of the hammer to the tank pressure in a delay ranging from 1 to 3 seconds.
Due to this quick drop, the autolube pump is re-primed each time the operator stops the
hammer and lubricant is sent to the hammer each time the operator starts up again.
Lube line going to hammer
Grease
Station
HP Line from the CF port
of Tramac valve
Drain line going to the tank
(0 psi pressure)
HP Line going to the HP
inlet of Tramac hammer
The installation of the Tramac valve must be conformed to the above schematic. Be sure
to connect the correct ports of the valve to the correct ports of the correct hoses:
Port 1 must be connected to the HP line going to the HP inlet of the breaker. (usually
through a tee fitting on the CF outlet port of the Tramac control flow valve)
Port 2 must be connected to the HP inlet of the greaser pump.
Port 3 must be connected to the drain circuit of the machine.
Ports 1 and 2 are SAE-8 and Port 3 is SAE-6.
Page 3
Grease Station Installation
H.P. Oil to Hammer
1
Tramac Lube Valve
3
2
Reservoir
Grease
Station
With the breaker you are
receiving a greaser
assembly and a Tramac
valve, DP-2/3. This valve
must be inserted into the
hydraulic circuit and piped
up according to the
typical schematic diagram
shown to the left.
To
Hammer
Valve Details
•
•
•
1 = H.P. Oil Inlet
2 = Work Oil to Autolube
3 = L.P. Oil To Tank
•
Identifying Numbers on Valve: DPBC-LBN-ECJ
NOTE: This valve must be installed in the grease circuit to insure that the grease station
works properly.
Page 4
Port size is 1/2” SAE O-Ring Boss
Port size is 1/2” SAE O-Ring Boss
Port size is 3/8” SAE O-Ring Boss
Grease Station Installation
NOTICE
A wrong installation (even for a few seconds of operation) may permanently damage the
cartridge valve.
After the installation, be sure that the delay to release the pressure in the pilot line of the greaser
pump does not exceed 3 seconds. To check that do the following:
•
Install a pressure gauge on port 2 of the Tramac valve.
•
Run the hammer a few seconds, the pressure reading should be near the working
pressure of the breaker (see owners manual for the proper value).
•
Stop the hammer, and check the pressure on the gauge. The cartridge has been
preadjusted at the factory to give the proper pressure drop delay. The pressure
should drop to near zero psi in no more than 3 seconds.
•
Basically, the lubrication station is composed of a spring-loaded piston which operates as
follows:
•
•
When circuit is under low pressure, grease comes into the chamber below the piston.
When circuit is under high pressure, the grease volume contained in chamber is sent to
the breaker.
Filling up the grease station:
•
By connecting the filling fitting (ref 310) to a grease pump: Stop the filling when the cover
(ref. 10) is pushed by the piston (ref. 240). Then, release the air pressure inside the tank by
pushing on the relief button.
•
By directly filling up the tank: First remove the piston (ref. 240) by using the handle. Fill the
tank with grease up to 2 inches from the top. Reinstall the piston (ref. 240) and release the
air pressure inside the tank by pushing on the relief button. Reprime the pump.
•
•
•
Fill the hose and the breaker with grease.
Adjust the pump onto maximum capacity by unscrewing the nut (ref. 90).
Check pump operation by energizing the breaker control several times and visually confirm
that grease is being pumped into the hammer.
Readjust the pump capacity.
•
Adjusting the grease station:
•
The volume of grease sent to the hammer can be adjusted by screwing or unscrewing the
nut (ref. 90). The volume may be increased from 0.031 cu in (0.5 CM3) to 0.183 cu in
(3 cm3) by unscrewing the nut (each flat corresponds to 0.012 cu in (0.2 cm3)).
•
A properly lubricated breaker will show some grease running down the point. Keep the tool
greased at all times.
Page 5
Grease Station Parts List
Page 6
Grease Station Parts List
Part number Ref #
Qty.
DESCRIPTION
DESCRIPTION
86383759
82720
1
Lubricating station
Centrals de graissage
1
86379823
81521
1
10
20
30
40
50
86386844
86379971
86383791
86380144
86502275
83358
81536
82737
81562
96094
1
2
1
1
1
Grease tank
including:
(Cover
(Spring
Piston
Proximity detector
Lubricating pump
Réservoir de graisse
comprenant:
(Couvercle
(Ressort
Piston
Détecteur de proximité
Pompe de graissage
60
70
80
86390614
96702303
86225133
84188
8494
1744
1
4
4
Fixing
Support
Screw HM12
HFR M12 Nut
Fixation
Tole support
Vis HM12
Ecrou HFR M12
86383775
82726
1
1
1
1
1
4
1
2
1
Accessories
Spare package
including:
(Lip seal
(Lip seal
(O-ring
(O-ring
(Tight ring
(Seal
(Lip seal
(Brass seal
Accessoires
Pochette de rechange
comp.:
(Joint à lèvres
(Joint à lèvres
(Joint torique
(Joint torique
(Bague BS
(Joint
(Joint à lèvres
(Joint cuivre
1
1
Grease bucket (EM 22)
Oil bucket
Seau de graisse (EM 22)
Seau d’huile
Item
•
A
B
C
D
E
F
G
H
86383338
86357613
82611
75233
Page 7