Ransomes Commander 3520, Safety, Operation & Maintenance Manual

Page: 55 / 186

en-53
8 MAINTENANCE & LUBRICATION
8.8 END OF SEASON OR WHEN REQUIRED __________________________________
Change Hydraulic Oil
1. Remove drain plug in bottom of Hydraulic
tank and wipe off plug.
2. Allow tank to drain and replace plug.
3. Refill tank with approx. 52 litres of Shell Tellus
46 Oil.
4. Hydraulic Oil should be filled to level indicated
by sight glass. (C Fig.8.8.1)
IMPORTANT-Whenever the closed loop transmission
circuit has been broken into, it is essential that the
circuit is flushed prior to use. Absolute cleanliness
must be observed when filling the hydraulic tank.
Oil must be filtered through a 25 micron filter
before entering the hydraulic tank.
Change Hydraulic Oil Filter (SUCTION) (A Fig.8.8.2)
1. Wipe filter canister and housing to remove any
dirt present.
2. Place a suitable drip tray under the filter.
3. Unscrew filter and dispose of safely.
4. Replace with new filter canister.
5. Coat the top outside lip of the filter canister
with a thin film of oil and refit the filter canister.
6. Filter should be replaced before refilling hydraulic
tank.
Change Hydraulic Oil Filter (CHARGE) (A Fig.8.8.3)
1. Wipe filter canister and housing to remove any
dirt present.
2. Place a suitable drip tray under the filter.
3. Unscrew filter canister and remove the filter
element and dispose of safely.
4. Replace with new filter element.
5. Coat the top outside lip of the filter canister with
a thin film of oil and refit the filter canister.
6. Filter should be replaced before refilling hydraulic
tank
Change Coolant.
1. Completely drain the cooling water from the
radiator drain plug and flush the cooling system
with flushing detergent.
2. Check for leaks or loose connections at the
radiator, cylinder head gasket, drain cock etc.
3. Mix antifreeze coolant and water at the specified
ratio before pouring into the engine.
Note: When topping up the cooling system fill with 50/50 solution.
Diverter Valves
Thoroughly clean the diverter valves and operating mechanism. Oil the spools and all exposed parts to
prevent corrosion.
Fig.8.8.1
Fig.8.8.2
Fig.8.8.2