91
Maintenance and Service
Operator's Manual GB
9.5.5
Lubricant must be changed the first time within
and not later than 50/60 hours from running in. In
normal environmental conditions, lubricant can
be renewed every 500 hours of work. For
recommended lubricants see 1.3 Specifications of
consumables.
For topping up and renewing, use the special
plugs provided. Replace seals under the pluga
every time you unscrew them for inspections.
It is recommended to replace the lubricant when
it is warm to prevent sludge forming.
Drain oil
a. Make sure the gear oil is warm. If necessary,
heat up by reeling in and out a number of times.
b. Stop the crane with the boom system in
horizontal posotion, and switch off.
c. Place an oil container under the hoist and
remove plug
④
.
d. Drain all oil. Discard according to local
procedures.
e. Mount plug
④
again.
Fill / top up
a. Get access to the fill-opening on top and
remove the plug
①
. Remove the filling/level
plugs
③
.
b. If the winch contains a small amount of
protective oil, place an oil container under the
drum and remove plug
④
. Then close the drain
plug
④
.
c. Fill the drum with oil by a pump trough one of
the two plugs
③
until it starts leaking out of the
opening plug
③
at the opposite side. (content
approx. 0,8 liters).
d. Remowe the pump and mount all the plugs
again.
9.5.5 Bleeding air from the hydraulic
system
Bleed the air from the hydraulic system:
• after changing the hydraulic oil