Multi Pro 1200/1250 Page 6 -- 39 Spray System
Disassembly (Fig. 42)
IMPORTANT: Make sure to remove and neutralize
chemicals from spray components before disas-
sembly. Wear protective clothing, chemical resist-
ant gloves and eye protection during repair.
1. Remove spray control assembly from machine and
separate flowmeter from spray control (see Spray Con-
trolAssembly (MultiPro1250) Removalinthis section).
2. DisassembleflowmeterasrequiredusingFigures42
and 44 as guides.
3. Clean rotor (item 2), both hubs (items 3 and 4) and
flowmeter body to remove any metal filings, spray
chemicals or other materials.
Assembly (Fig. 42)
1. Assemble flowmeter using Figures 42 and 44 as
guides. Check the following items during flowmeter as-
sembly.
A. If turbine stud was removed from upstream hub,
apply threadsealantto threads of stud beforeinstal-
lation.
B. Checkthatrotorspinsfreelywithverylittledrag.If
necessary,loosentheturbinestud1/16ofaturnand
check rotor drag. Continue the process of loosening
stud until rotor spins freely.
C. When installing hubs (items 3 and 4) into hous-
ing, make sure to align locating notch on each hub
with boss in housing bore.
D. If sensor (item 7) was removed from flowmeter
body,threadsensorintohousingsoitlightlybottoms
in housing. Secure sensor in position by tightening
jam nut.
E. Make sure that retaining rings are fully seated in
grooves of flowmeter housing.
2. Attachflowmeterassemblytospraycontrolandthen
install spray control assembly to machine (see Spray
Control Assembly (Multi Pro 1250) Installation in this
section).
1. Boom valve manifold
2. Flowmeter
3. Regulating valve
Figure 43
1
2
3
1. Flowmeter body
2. Retaining ring
3. Upstream hub
4. Rotor
5. Downstream hub
6. Sensor
Figure 44
1
3
2
2
5
6
4
Spray
System
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