GB-16
JACOBSEN 405 Series: CH
MAINTENANCE AND PARTS MANUAL
5 LUBRICATION AND MAINTENANCE
MAINTENANCE
5.8 END OF SEASON or when required
Fig.17
Fig.15
Fig.16
Change Coolant.
1. Completely drain the cooling water from
the radiator and flush the cooling system
with flushing detergent.
2. Check for leaks or loose connections at
the radiator, cylinder head gasket, 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.
Change Hydraulic Oil
1. Remove drain plug from bottom of
Hydraulic tank and wipe off plug.
(A(Fig.15))
2. Allow tank to drain and replace plug.
3. Refill tank with approx 38 litres of SAE
10W-30 Oil through one of the brass
plugs. (B(Fig.16))
4. Hydraulic Oil should be filled to half way
up the sight tube. (A(Fig.16)).
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 25micron
filter before entering the hydraulic tank.
Change Hydraulic Oil Filter (A)(Fig.17))
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, fill filter with
clean hydraulic fluid and refit the filter
canister.
6. Filter should be replaced before refilling
hydraulic tank.
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