Automatic Lubrication System for Large Hydraulic Hammers Caterpillar

Hydraulic Motor

Supply (Hydraulic Hammer Circuit) ... 90 to 250 bar (1305 to 3625 psi)

Minimum differential pressure in operation ... 70 bar (1015 psi)

Maximum return pressure ... 20 bar (290 psi)

Maximum displacement ... 2 L/min (0.5 US gpm)

Default speed of the eccentric with oil *ISO VG 46 at 20 °C (68 °F) ... 14 rpm at 1.8 L/min

Hydraulic oil ... "ISO VG 46-100"

Temperature range ... 0° to 70°C (32° to 126°F)

Note: Speed can be adjusted with the throttle.

Pump Element

Pressure limiting valve ... 280 bar (4060 psi)

Delivery rate per stroke ... 0.12 cc (0.0073 in³)

Default stroke number ... 14 strokes/min

Note: The number of strokes can be adjusted with the throttle.

Lubricant

Only use genuine, original Cat Hammer Paste.

Cartridges are available from Cat Parts Distribution Centers worldwide.

• 317-8491 Grease Cartridge (Single 400g Cartridge)

• 317-8492 Grease Cartridge (Pack of 12 X 400g Cartridges)

General

Weight ... 6.7 kg (14.8 lb)