Case 845B VHP Operator's Manual page 140

Hydraulic System Oil filter
Check each 500 hours
WARNING: Fluid under pressure. Turn cap
slowly to relieve pressure before removing it.
6-30
CHAPTER 6 – LUBRICATION / FILTERS / FLUIDS
Loosen filler cap (1) to relieve pressure. Remove cover
(2) from top of the tank. Remove spring (3), cap (4) and o-
ring (5 and 11), from top of element (6). Remove element
from tank and discard.
Remove the element of the reservoir. Make sure the o-
ring (8) is in good condition, if necessary, replace it and
then install a new filter over the discharge tube. Make
sure the o-ring (5 e 11) is in good condition, if necessary,
replace it. Position o-ring (5 e 11). install the cap (4) and
spring (3) on top of the element.
Install cover (2) on tank and secure with capscrews (7).
Torque capscrews to 47,5 to 54,2 Nm (4,9 to 5,5 kgf.m)
(35 to 40 lb.ft).
CLEANING THE SUCTION LINE fILTER
Loose the filler neck cap (1) to relieve the pressure. Re-
move the filler neck capscrews (9), the tube and the filter.
Remove the filler neck cover, the tube (10) and filter (14)
from the hydraulic. Remove and replace the rubber ring
(11) from filter, if necessary.
IMPORTANT: Do not use gasoline, solvent or another
flammable fluids to wash the components. Use recom-
mended commercial, non toxic solvent. Wear safety glas-
ses with side shields when using compressed air for cle-
aning to reduce the danger of personal injury from flying
particles. Limit the air pressure to 30 PSI (2 bar).
Wash the strainer with a commercial solvent. Use com-
pressed air to clean the element (14). Blow it from inside
to outside.
Install a new o-ring in the groove and then install the tube
assembly (pre cleaner) (10).
Install the capscrews (9) and torque them with 47,5 to
54,2 Nm (4,9 to 5,5 kgf.m) (35 to 40 lb.ft).
Make sure that valve assembly and strainer are properly
positioned in the tube assembly. Fill the tank to the proper
level indicated on the sight gauge (13). Install a new o-ring
(12) on the filler cap and install it.