Maintenance Schedule; Maintenance Activities - Holmatro HDC 8 Manual Del Usario

8.2 Maintenance materials
/i
Application
Steel parts
Hydraulic couplers
Contact the Holmatro dealer for information on spare parts.
8.3

Maintenance schedule

This schedule is an average. Depending on the intensity of use of your equipment, Holmatro can
provide a specific maintenance schedule for you.
/i
Object
General
Pressure relief valves
Battery for pressure
gauge lights
Check valves
8.4

Maintenance activities

8.4.1 General
Inspect the control unit for damage after each use.
8.4.2 Pressure relief valves
Model HDC 8 (J)
• Connect the control unit to a compressed air source with a pressure of approximately 10 bar (via a
pressure regulator, for example). Do not connect a tool
• Increase slowly the regulator pressure while keeping one control handle in the "lifting" position.
• Check that the pressure relief valve opens at a pressure between 8 and 9 bar.
• Test the other pressure relief valve by the same procedure.
• Contact your Holmatro dealer if the pressure relief valve opens too early or too late.
Model HDC 12 (J)
• Connect the control unit to a compressed air source with a pressure of approximately 14 bar (via a
pressure regulator, for example). Do not connect a tool
• Increase slowly the regulator pressure while keeping one control handle in the "lifting" position.
HDC (J)
Type of maintenance material
WD-40 preservative oil
Tectyl ML from Valvoline (long term preservation)
WD-40 preservative oil
Action
Check
Check
Check
Check
916.001.459_004
Time interval
x
x
x
x
EN
Amount
As required
As required
As required
x
x
x
x
29