Hitachi GH 300 - Manual (Page 16)

Hydraulic Oil/Filter Change
16 311797F
Hydraulic Oil/Filter Change
(Figure 6)
Removal
1. Relieve pressure, page 7.
2. Place drip pan or rags under sprayer to catch hydraulic oil
that drains out.
3. Remove drain plug (2). page 26. Allow hydraulic oil to drain.
4. Unscrew filter (227) slowly - oil runs into groove and drains
out rear.
Installation
1. Install drain plug (2) and oil filter (227). Tighten oil filter 3/4
turn after gasket contacts base.
2. Fill with five quarts of Graco hydraulic oil 169236 (5
gallon/20 liter) or 207428 (1 gallon/3.8 liter).
3. Check oil level.
F IG . 6
TIA