UPPERSTRUCTURE / Pilot Valve Assemble Positioning Pilot Valves IMPORTANT: Install spring guide (5) with the groove side facing to the spring. When installing spring guide (5), do not lower spring guide (5) beyond 6 mm. 1. Install spacers (8) (2 used) and balance springs (7) (2 used) to spools (9) (2 used). While compressing springs (7) (2 used), install spring guides (5) (2 used) to spools (9) (2 used). IMPORTANT: Insert the spool (9) assemblies (2 used) to the original port when removing. 2. Insert return springs (7) (2 used) and the spool (9) assemblies (2 used) into casing (10). IMPORTANT: Check the direction of oil seals (13) (2 used).
Apply grease to the lip of oil seals (13) (2 used) and to the inside of bushings (12) (2 used). 3. Install oil seals (13) (2 used) and O-rings (11) (2 used) to sleeves (12) (2 used). Insert pushers (14) (2 used) into bushings (12) (2 used). IMPORTANT: Apply LOCTITE #262 to set screw (17). 6. Install set screw (17) to cam (1). : 3 mm : 7 N m (0.7 kgf m, 5.2 lbf ft) 7. Tilt cam (1) and apply grease to the ends of pushers (14) (2 used). 8. Install boot (3) to holder (4). NOTE: Grease: IDEMITSU AUTOLEX-C 4. Place the pusher (14) assemblies (2 used) onto the spool (9) assemblies (2 used). Place holder (4). Alternately tighten socket bolts (2) (2 used) and install holder (4) to casing (10). :
6 mm : 15 N m (1.5 kgf m, 11 lbf ft) 5. Install cam (1) to holder (4) with pin (15). W2-7-39