Workshop Manual

UPPERSTRUCTURE / Pump Device
W2-4-67
Assemble Regulator (Fan Pump)
1. Insert compensating rod (7) and lever (21) into
housing (48).
2. Align the pin (49) hole on lever (21) with the pin
hole on housing (48). Align pin (20) in lever (21)
with the stepped part on compensating rod (7).
Install lever (21) to housing (48).
3. Install retaining ring (17) to sleeve (18). Install
sleeve (18) and spool (19) to housing (48).
IMPORTANT: Before installing feedback lever (22),
check if spool (19) moves smoothly.
Check the directions of spool (19)
and feedback lever (22).
4. Align the pin hole on spool (19) with that on
feedback lever (22). Install pin (23) through the
mounting hole of support plug (51).
5. Insert pilot piston (27) and lever (25) into housing
(48).
IMPORTANT: Before installing lever (25), check if
pilot piston (27) moves smoothly.
6. Align pin (26) in lever (25) with the stepped part
on pilot piston (27) and install lever (25).
7. Install O-ring (52) and pin (49) to adjusting plug
(51).
8. Align pin (49) in adjusting plug (51) with the pin
hole on lever (25) and install adjusting plug (51).
Install retaining ring (53) to housing (48).
9. Install O-ring (55) to adjusting plug (54). Install
adjusting plug (54) to housing (48). Install
retaining ring (56) to housing (48).
10. Install O-ring (31) to stopper (30).
11. Install spring seat (28), spring (29) and stopper
(30) to housing (48).
12. Install O-ring (3) to stopper (11).
13. Install O-ring (42) to housing (48). Install spring
seat (8), springs (9, 10) and stopper (11) to
housing (48). Install cover (43) to housing (48)
with socket bolts (32) (4 used).
: 5 mm
: 12 N⋅m (1.2 kgf⋅m, 8.9 lbf⋅ft)