Spray Pump - Toro Multi Pro 1750 Service Manual

Removal (Fig. 3)
IMPORTANT: Make sure to neutralize and remove
chemicals from pump and hoses before loosening
and removing spray system components. Wear pro-
tective clothing, chemical resistant gloves, and eye
protection during repair.
1. Park machine on a level surface, stop engine, en-
gage parking brake and remove key from the ignition
switch.
2. Disconnect seat switch wire harness from machine
main wire harness. Raise seat and remove hair pins
(item 3) from seat prop rod and from two (2) seat hinge
pins (item 4). Remove seat assembly from machine.
3. Remove engine cover (item 4).
4. Remove console bottom cover (item 5).
5. Remove left and right fender assemblies.
6. Remove parking brake assembly (item 11).
7. Remove frame cross member (item 16).
8. Remove forks that secure suction and pressure
hoses to pump fittings and disconnect suction and pres-
sure hoses from spray pump. Cover or plug pump fit-
tings to prevent debris from entering the pump while the
hoses are disconnected.
9. Remove pump clutch (see Pump Drive Electric
Clutch in Chapter 5 − Electrical System in this manual.
10.Remove flange head screws and flange nuts that se-
cure pump to engine and pump mounting plate (Fig. 4).
CAUTION
Spray pump assembly weighs approximately
140 lbs (59 kg). Use an appropriate lifting device
to safely lift the pump assembly.
11. Use the lifting strap provided and carefully lift spray
pump from machine.
Installation (Fig. 3)
1. Use the lifting strap provided and carefully lift spray
pump into machine.
2. Install flange head screws and flange nuts that se-
cure pump to mounting plate (Fig. 4). Tighten screws
from 45 to 55 ft−lb (61 to 75 N−m).
Multi Pro 1750

1. Spray pump

2. Lifting strap
3. Flange nut (4)
3. Install pump clutch (see Pump Drive Electric Clutch
in Chapter 5 − Electrical System in this manual.
NOTE: Coat spray system O−rings with vegetable oil
before installation to reduce the chance of damage dur-
ing assembly.
4. Remove covers or plugs from spray pump ports. In-
stall suction and pressure hoses to pump and secure
with forks.
5. Install frame cross member (item 16)
6. Install parking brake assembly (item 11).
7. Install left and right fender assemblies.
8. Install console bottom cover (item 5).
9. Install engine cover (item 4).
10.Align seat assembly to machine frame and install
hinge pins (item 3). Install hair pins (item 4) in hinge pins
and seat prop rod. Connect seat switch wire harness to
machine main wire harness and lower seat assembly.
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2
1
3
45 to 55 ft−lb
(61 to 75 N−m)
Figure 4
4. Flange head screw (4)
5. Mounting plate
Spray System
4
5