Maintenance Activities; Yearly Dealer Maintenance; Long Term Storage - Holmatro HMJ 10 S 15 U Manual Del Usaurio

8.4

Maintenance activities

8.4.1 General
• Check the operation of the equipment.
• Check the accessories.
8.4.2 Hydraulic couplers
• Check the couplers for damage. Have a Holmatro Certified Technician replace damaged couplers.
• Clean the coupler with luke warm water and a mild soap solution.
• Dry the couplers.
• High-Flow couplers:
- Lubricate the end of the coupler with hydraulic oil or inject WD-40.
- Lubricate the retainer ring by injecting WD-40 underneath the ring.
- Check the locking by pulling the hoses apart with a normal manual effort. The couplers must not
slip.
- Disconnect the couplers by turning the retainer ring.
• Connect and disconnect the couplers a few times to improve the internal lubrication of the locking
system.
8.4.3 Dust caps
• Check the dust caps for damage. Replace damaged dust caps.
• Clean the dust caps with running water. Dry the dust cap and treat it with preservative oil.
8.4.4 Hydraulic hoses
• Clean the hose with luke warm water and a mild soap solution.
• Check the hose for damage and leaks. Replace the hose if it leaks, has kinks, the reinforced cover
is visible or it has blisters or bulges higher than 1 mm. In case of doubt always contact the Holmatro
dealer who can assess the seriousness of the damage.
• Replace the hose no later than 10 years after the date of manufacture, regardless of its use and
external appearance. The date of manufacture is part of the test code, the first 4 digits of the test
code specify the date of manufacture of the hose (yymm*****).
8.5

Yearly dealer maintenance

We recommend having the equipment inspected, checked, set and tested once a year by a Holmatro
Certified Technician who has the appropriate knowledge and the necessary tools (see also section 1.7).
The Holmatro dealer can organize the yearly maintenance for you on a contract basis.
8.6

Long term storage

• Ensure that the equipment is completely depressurized.
• Store the equipment in a dry, well-ventilated area. Use additional preservatives on the external steel
parts.
• Position the toe jack upside down with the plunger extended by approximately 5 mm.
HMJ 916.219.121_006
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