Graco 309909H Music Mixer User Manual


 
Repair
309909H 19
Pneumatic Control
Alternator Repair
Turbine Alternator Repair Kit 223688 is available to
replace turbine bearings.
1. Remove User Interface cover. See page 16.
2. Disconnect power supply wires (P). F
IG. 5.
3. Disconnect two air lines (310) from alternator (304).
F
IG. 6.
4. Remove top nut (305) and loosen bottom nut. Slide
alternator up and off bottom nut.
5. Remove four screws (304d) to separate alternator
housings. F
IG. 7.
6. Disconnect turbine (304e) from board (A). Follow
instructions in turbine kit manual 308034 to remove
and repair turbine.
7. Replace gasket (304a) if damaged. Place between
housings before securing with screws (304d).
8. Reassemble. Refer to Electrical Schematic, page
22.
F
IG. 5
P
301
TI4561a
306r
310
304
313
Lightly lubricate turbine o-ring before install-
ing turbine in housing.
Connect alternator red wire to + side and
black wire to – side of main circuit board.
Connect turbine to 3-pin connector on main
circuit board.
F
IG. 6
F
IG. 7
305
310
304
304d
304d
304e
A
304a
Torque to 20 in-lbs (2 N•m)
1
1