7.
and retrieve square key from motor shaft.
Slide sprocket from conveyor motor shaft. Locate
Topdresser 2500
8.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
5
6
3
9.
poses. Thoroughly clean hydraulic hoses and fittings
prior to loosening hydraulic lines at conveyor motor.
Label all hydraulic connections for assembly pur-
8
4
3
1
10.Disconnect
hydraulic lines from fittings on conveyor
2
7
motor. Allow hydraulic oil to drain from lines into a suit-
able container. Put caps or plugs on open hydraulic lines
and fittings to prevent contamination. Remove and dis-
card O–rings.
Figure 30
11.
Support conveyor motor to prevent it from shifting.
Remove two (2) cap screws (item 3), lock washers (item
and flat washers (item 1) that secure motor to frame.
1.
2.
3.
4.
Carriage screw
Chain guard
Flat washer
Lock nut
5.
6.
7.
8.
Cap screw
Lock washer
Hyd conveyor motor
Drive chain
2)
Remove conveyor motor from the machine. Remove
spacer plate from between motor and frame.
Topdresser 1800
12.If
from the conveyor motor. Discard O–rings.
required, remove hydraulic fittings and O–rings
8
7
2
Installation (Fig. 29)
9
1.
If removed, install hydraulic fittings with new O–rings
into the conveyor motor ports (see Hydraulic Fitting
Installation in the General Information section of this
chapter).
6
5
4
3
10
2.
Position spacer plate and conveyor motor to frame.
Install two (2) cap screws (item 3), lock washers (item 2)
and flat washers (item 1) that secure motor to frame. Do
not fully tighten fasteners at this time.
2
1
3.
square key into motor shaft slot.
Apply antiseize lubricant to motor shaft. Position
Figure 31
1.
2.
3.
4.
5.
Lock nut
Flat washer
Spacer
6.
7.
8.
9.
Cap screw
Lock washer
Cap screw
4.
on sprocket gear goes in toward frame.
Slide sprocket onto motor shaft. Make sure that hub
Guard
Hyd conveyor motor
Chain guard
10. Drive chain
5.
et and connect roller chain ends with master link.
Position roller chain around conveyor motor sprock-
9.
lines and fittings during disassembly.
Remove caps or plugs that were put on any hydraulic
6.
Slide conveyor motor sprocket on shaft to align it with
10.Lubricate
new O–rings with clean hydraulic oil and
driven sprocket on conveyor roller. Apply Loctite #242
(or equivalent) to threads of set screws (item 11) and se-
cure sprocket to conveyor motor shaft with two (2) set
screws.
position on fittings. Using labels made during removal,
correctly connect and secure hydraulic hoses to hydrau-
lic fittings on conveyor motor.
11.
Installation in the Service and Repairs section of Chap-
ter 5 – Chassis).
Install brush guard to machine (see Brush Guard
7.
Rotate conveyor motor to take slack out of chain, but
not so tight that binding occurs on sprockets. Torque cap
screws from 54 to 66 ft–lb (74 to 89 N–m) to secure
conveyor motor to frame.
12.Install
31).
chain guard to outside of frame (Figs. 30 and
8.
Check that chain has 0.125” (3.2 mm) deflection at
mid–span between the sprockets. If necessary, reposi-
tion conveyor motor to allow correct chain deflection.
Topdresser 1800 & 2500
Page 3 – 35
Hydraulic System
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