DRESSTA TD-25M EXTRA, Service Manual

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RESERVOIRS AND FILTERS
SECTION 10E
Page 5
DRESSTA TD-25M EXTRA
HYDRAULIC RESERVOIR
3. DISASSEMBLY (Refer to Fig. 10E.1)
1. Remove the breather valve (4).
If necessary, disassemble the component parts of the breather valve (4) in the sequence indicated
by the reference numbers in Fig. 10E.4.
2. Remove the upper strainer snap ring (10) and filler strainer (17).
3. Unscrew three bolts securing cover (8) and remove the cover (8) with snap ring (10) and O-ring
(9). If necessary, remove the lower strainer snap ring (10) and O-ring (9) from cover (8).
4. Unscrew nut (12) with washer (13) and remove the strainer assembly (14).
5. Unscrew the sight gauge (15) with O-ring (16), if necessary.
6. Unscrew the plugs (5) from the reservoir (1), if necessary.
4. INSPECTION AND REPAIR
1. It is recommended that all new O-rings be installed when the reservoir is disassembled.
2. Before cleaning the reservoir, inspect the residue in the tank. Check for deposition of foreign
particles that could indicate a component failure of system.
3. Clean and dry all parts thoroughly. Clean the strainers (14 and 17, Fig. 10E.1) in a suitable
solvent and air dry.
4. Inspect the reservoir and all fittings for signs of wear or damage.
5. Be sure all parts move freely in the breather valve. Clean or replace the breather valve ceramic
filter (3, Fig. 10E.4).
6. Check the springs (6 and 13, Fig. 10E.4) for damage, distortion or weakens.
5. REASSEMBLY (Refer to Fig. 10E.1)
1. Install the plugs (5) to reservoir (1), if removed.
2. Install the sight gauge (15) with O-ring (16), if removed.
3. Install the strainer assembly (14) inside the reservoir (1) and secure with washer (13) and nut
(12).
4. Install the O-ring (9) and lower strainer snap ring (10) to cover (8), if removed.
5. Install the cover (8) with O-ring (9) and lower snap ring (10) to the reservoir (1). Secure the
cover (8) with three bolts.
6. Install the filler strainer (17) and upper strainer snap ring (10) to the cover (8).
7. Install the breather valve (4).