Spray Pump Service - Toro Line Painter 1200 Service Manual

Spray Pump Service

25 to 30 in–lb
(2.8 to 3.4 N–m)
10
9
1. Pump head
2. Check valve kit
3. Wobbler plate/diaphragm assembly
4. Gasket
5. Pump endbell
6. Bearing
Disassembly (Fig. 32)
1. Remove two (2) socket head screws and lock wash-
ers that secure spray pump to pump drive housing (Fig.
34). Separate spray pump from drive housing.
2. If necessary, disassemble pump drive housing as-
sembly (Fig. 34):
A. Remove retaining rings from grooves in pump
drive housing.
B. Slide drive shaft and bearings from housing.
C. Press bearings from drive shaft.
3. Use a marker to make a diagonal line across the
pump head, wobbler plate/diaphragm assembly and
pump endbell for assembly purposes (Fig. 33).
4. Loosen and remove ten (10) screws that retain pump
head to endbell. Locate and retrieve lock washers and
flat washers.
Paint System
14
13
11
12
8
8
7
6
Figure 32
7. Straight fitting
8. O–ring
9. Filter cover
10. O–ring
11. Filter (40 mesh)
12. Flat washer (10 used)
Page 5 – 30
15
8
17
1
2
3
4
5
13. Lock washer (5 used)
14. Screw (2" long) (5 used)
15. Screw (1.5" long) (5 used)
16. Elbow fitting
17. Socket head screw (relief valve)
5. Carefully separate pump head from pump endbell.
Remove and discard gasket. Separate wobbler plate/di-
aphragm assembly, check valve kit and pump head.
6. If necessary, remove bearing from pump endbell.
7. If necessary, remove filter (item 11) from pump head
by sliding retainer and pulling filter from pump head. Re-
move and discard o–ring (item 8).
Figure 33
25 to 30 in–lb
(2.8 to 3.4 N–m)
16
DIAGONAL
LINE
Line Painter 1200