TM 10-3930-659-20 17-29.    HYDRAULIC RESERVOIR SUCTION FILTER REPLACEMENT. This Task Covers: a. Removal b. Installation Initial Setup: Equipment Conditions: References: • Hydraulic  reservoir  drained  (see  LO 10-3930- •  LO 10-3930-659-12 659-12). •  TM 10-3939-659-10 • Hydraulic reservoir filler cap and cover removed (see paragraph 17-35). a. REMOVAL 1. Push down on collar (2) and remove hydraulic reservoir suction filter (1) from hook (3). 2. Remove hydraulic reservoir suction filter (1) from hydraulic reservoir (4). TA707674 17-90