John Deere SPRAYMASTER 4700 - Manual (Page 6)

NOTE: A fixture is required for the next Step; fabricate this
fixture from a 1'' diameter by 4'' long section of PVC pipe. When
using this fixture make sure all surfaces are clean and the
support edges are smooth.
5. Place the fixture over the Shaft and using an Arbor Press, press
the Shaft Assembly down until the Retaining Rings can be
installed in its groove in the bearing bore of the Motor Body.
WARNING: Always wear safety goggles when working with
spring or tension loaded fasteners or devices.
6. Install the Retaining Ring into the groove of the Bearing Bore.
HYDRAULIC MOTOR FINAL ASSEMBLY
1. Place the Motor Body in a vise with the large end of the Shaft
facing up.
2. Apply a thin film of oil to the O-ring; then, install the O-ring in the
Motor Body.
3. Install the Woodruff key or Roll Pin on the Shaft; then, place the
Inner Gear onto the Shaft, making sure the Gerotor slot lines up
with the Key in the Shaft.
4. Install the outer portion of the Gerotor, making sure the Gerotor
is centered within the o-ring groove on the Body.
5. Install the Gerotor housing, making sure the pins in the Gerotor
Housing line up with their respective holes in the Body.
6. Apply a thin coating of hydraulic or mineral oil to the area
between the Inner and outer Gerotor, the Outer Gerotor, and the
Gerotor Housing.
7. Apply a thin film of oil to the O-ring and install it on the Motor End
Plate.
8. Place the End Plate on the Gerotor Housing, making sure the
holes in the End Plate line up with the Pins in the Gerotor
Housing.
10. Apply a drop of blue anaerobic thread locking compound to the
threads of the four Socket Head Cap Screws; then, using the
four Socket Head Cap Screws, secure the Motor End Plate to the
Gerotor Housing.
11. Alternately and evenly, tighten the four Socket Head Cap
Screws to 15 ft lbs. torque.
12. Install a new O-ring in both Port Adapters.
13. Install the Pressure Port Adapter onto the Motor; then, install the
Tank Port Adapter onto the Motor.
14. Remove the Hydraulic Motor from the vise and rotate the Shaft
by hand to check for binding of the Shaft.
15. Install a Slinger ring over the Motor shaft.
16. Apply a drop of blue anaerobic thread locking compound to the
threads of the four Hex Head Bolts; then, using the four Hex
Head Bolts, secure the Motor into the pump Mounting Flange.
17. Alternately and evenly, tighten the four Hex Head Bolts.
Replacement Parts
FIGURE 16
Replacement Components
-6-
Control Valve
PM34300552
High Pressure Hose
See Options (Page 10)
Unloader
PM339001042B
PM34300557
To Rinse Tank
Complete Pump
PMXMA4G20ESX
Complete Motor
PM25000020C1
Motor Supply
PM34300554
TO 4700 Hydraulic
Return
PM34300555
To 4700 Hydraulic
Supply
PM34300565
To 4700 Hydraulic load
Sensor
PM34300553
Detergent Injection
See Options (Page 10)
Bracket & Hardware Kits:
Gun & lance Bracket hardware PM34300561
Pump Mounting Bracket PM34300556