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TM
John Deere SprayMaster Power Washer
Form
Series PM182401, for Specific Installations on
1469-JD
John Deere Model 4700 Field Sprayer with optional Rinse Tank
01-00
Operation, Repair, and Parts Manual
Description
Driving a dirty sprayer on public roads and highways may violate The John Deere SprayMaster Power Washer, complete On-Board
state and county health codes in some states. A clean sprayer Hydraulic Powered High Pressure Wash System is designed to
drops nothing on the roads and highways
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Operation 1. Check the water level in the rinse tank. Never operate the Pressure Wash Pump without a water supply. NOTE: Periodically check the Line Strainer and clean the Line Strainer if it is necessary (See Figure 2). 2. Open the water supply valve. CAUTION: Do not operate any other hydraulic functions on the 4700 while the Power Washer is in use. Pump Strainer 3. Set the engine speed to 1,500 RPM. FIGURE 2 4. Activate the Hydraulic Motor by placing the Lever on the Hydraulic Control Valv
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Pump Repair Instructions PACKING REPLACEMENT PMKIT2747 and PMKIT2745 1. Water leakage between the Head and the Crankcase indicates the Plunger Packings require replacement. 2. Use a Hex wrench to remove the Head Bolts; then, remove the Head from the Crankcase by rotating the Crankshaft while using a screwdriver to carefully pry between the Head and the Crankcase (See Figure 6). 3. After the Head has been removed, use an Extractor Pliers to remove the Plunger Seal Retainers, and Packings (See Fig
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PLUNGER REPLACEMENT PMKIT2746 1. If damage to the Plungers is noted during Packing Replacement, continue with Plunger Replacement. 2. Remove the Pump Head from the Crankcase as described in PACKING REPLACEMENT. 3. Remove the Plunger Retaining Nut and the Plunger Retaining Nut Washer; then, carefully slide the Plunger off the Lower O-ring Plunger Plunger (See Figure 10). & Lock Slinger Ring Washer 4. Remove and discard the old O-ring and Slinger Ring from the Plunger Lower Plunger (See Figure 10
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REMOVING THE SHAFT ASSEMBLY FROM THE MOTOR BODY 1. Remove the Slinger Ring from the Motor Shaft. 5. Thread the Impeller Nut on the end of the Shaft; then, using an Arbor Press; press the Shaft through the Bearing, Seal Spacer, WARNING: Always wear safety goggles when working with and Seal (See Figure 14). spring or tension loaded fasteners or devices. 6. Inspect the sealing area of the Shaft and other components for 2. Remove the Retaining Ring next to the Ball Bearing in the Front wear and rep
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NOTE: A fixture is required for the next Step; fabricate this 7. Apply a thin film of oil to the O-ring and install it on the Motor End fixture from a 1'' diameter by 4'' long section of PVC pipe. When Plate. using this fixture make sure all surfaces are clean and the 8. Place the End Plate on the Gerotor Housing, making sure the support edges are smooth. holes in the End Plate line up with the Pins in the Gerotor 5. Place the fixture over the Shaft and using an Arbor Press, press Housing. the
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Complete Pump Part No. PMXMA4G20ESX 10 11 7 6 4 9 8 5 1 3 2 FIGURE 17 Service Parts for Pressure Pump Piston Kit PMKIT2746 Oil Seal Kit PMKIT2787 Ref. Description Qty. Ref. Description Qty. 8 Piston 3 10 Cap 1 11 O-ring 1 9 Seal 1 Valve Kit PM34300424 7 Seal 3 Ref. Description Qty. 1 Complete Valve 6 Cup Spreader Kit PMKIT2745 2 O-ring 6 Ref. Description Qty. 3 Support Ring 3 Water Seal Kit PMKIT2747 Ref. Description Qty. 4 Gasket 3 6 O-ring 3 5 Gasket 3 Lance PM3365000436 Nozzle PM332420015
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Complete Motor 7 PM25000020C1 8 7 6 4 5 1 3 2 FIGURE 19 Service Parts for Hydraulic Motor Motor Kit PM Ref. Description Part No. Qty. 1 Retaining Ring PM18100014 1 2 Ball Bearing PM20000010 1 3 Shaft Seal PM21040005 1 4 Thrust Bearing Assembly PM20290014 1 5 Shaft PM05132500 1 6 Key PM16100012 1 7 O-ring PM17200110 2 8 Gerotor PM39000024 1 Unloader Kit PM34300484 Ref. Description Qty. 1 Washer 1 2 O-ring 1 3 O-ring 1 1 4 O-ring 1 5 Washer 1 2 6 O-ring 1 7 O-ring 1 8 Valve Seat 1 3 9 O-ring 1 4
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Optional Equipment Hose Reel (PM34300560) Includes: Reel Hardware Jumper Hose FIGURE 21 Hose Reel (PM34300560) Hose Wrap (PM34300563) Includes: Wrap Bracket Hardware FIGURE 22 Hose Wrap (PM34300563) Detergent Injection Kit (PM34300562) Includes: Detergent Attachment Bracket Hardware Tube Strainer FIGURE 23 Detergent Injection Kit (PM34300562) Detergent One Gallon: U.S. - N209615 Canada - N209616 FIGURE 24 Detergent - 9 -
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NOTES - 10 -
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NOTES - 11 -
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Deere & Company One John Deere Place Printed in U.S.A. Moline, Illinois 61265 01/2000 - 12 -
