Graco Inc GH 733, 230975, 231733 important safety instructions 108 109 114 115 107 49,66 150,66,64

Page 14

Replacing the Hydraulic Pump

1.Follow the Pressure Relief Procedure Warning on page 10. Let the hydraulic system cool before beginning the service procedure.

2.Unscrew the reservoir drain plug (51), having a container ready to catch the draining fluid.

3.Disconnect the hose (7) from the bypass valve (9) by loosening the hose clamp (8). See Fig 8.

4.Loosen the hose clamp (8) and pull the hose (85) off the hose insert (5) near the elbow (3). See Fig 8.

5.Loosen the hose clamp (54) on the hose (53) just above the hydraulic pump (107). See Fig 8.

6.Loosen the tube fitting nut (18) of hose (22). See Fig 8.

7.Remove the two capscrews (150), lockwashers (66) and washers (64) holding the pump (107) to the support (117). See Fig 8.

113

85

53

112

8

54 117

5

 

3

 

52

 

 

152

4

7

8

8.Pull the pump straight off the pump support.

9.Loosen the setscrews (108) on the pump half of the coupler (109). See Fig 9.

10.Remove all fittings from the old pump and install them on the new pump in the same order.

11.Check Dimension A as shown in Fig 9. When the dimension is correct, tighten the setscrews (108), slide the new pump assembly onto the pump support (117) and recheck the dimension.

CAUTION

The correct coupling dimension is critical to avoid improper coupler engagement to the coupler spider which will damage the coupler and make the sprayer inoperable.

12.Reconnect the hoses. Reinstall the reservoir plug (51), and refill the reservoir with clean, Graco approved hydraulic oil.

7876c

9

108

109

114

22

115

107 49,66

150,66,64

18

Fig 8

14 307616

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Contents Instructions Parts List Important Safety InstructionsTable of Contents SymbolsFuel Hazard Skin Injection HazardToxic Fluid Hazard Exhaust HazardFire Skin Injection Explosion Hazard Fire and Explosion HazardMoving Parts Hazard Connect the Hose and Gun SetupComponent Identification Check the Hydraulic Oil Level Grade of OIL ChartGasoline Fill CAP OIL Dipstick Engine OIL Fill Plug Check the Engine Oil LevelFire and Explosion Hazard Battery MaintenanceGrounding Flushing When to FlushHow to Flush Startup after storageFlushing Prepare the Fluid Pressure Relief ProcedureOperation Starting the SprayerPrime the Pump Cleaning a Clogged TipAdjusting the Intake Valve Ball Travel Maintenance Troubleshooting Problem Cause Solution108 109 114 115 107 49,66 150,66,64 Dimension a 05 in. ± 27 mm ±Reconnecting the Displacement Pump Displacement Pump ServiceDisconnect the Displacement Pump Complete Sprayer Parts Drawing Model 230975, GH 733 SprayerGH733 Sprayer Parts Drawing Model 231733, Series D187 183 124 153 152 141 112 113 117 108 105 106 142 107 110 137 GH733 Parts List WheelPage GRACO-APPROVED Hydraulic OIL Technical DataAccessories Graco Phone Number Graco WarrantyAdditional Warranty Coverage For Graco Canada Customers

230975, 231733, GH 733 specifications

Graco Inc. is widely recognized for its innovative fluid handling products and diverse range of equipment designed for various applications. Among its product lineup, the Graco GH 733 is a standout piece of machinery, particularly known for its performance in high-demand environments. The model number 231733 refers to a specific configuration of the GH 733, and 230975 points to another variant, showcasing Graco's commitment to customization and versatility in their offerings.

One of the main features of the Graco GH 733 is its powerful engine, designed to deliver efficient performance even in the most challenging conditions. The machine boasts a robust hydraulic system that facilitates the movement of fluids at high pressures, making it ideal for applications such as painting, coating, and other fluid dispensing tasks. This ensures that users can achieve superior results with precision and speed.

The GH 733 is equipped with advanced technologies that enhance usability and functionality. For example, it incorporates an electric start feature, reducing the hassle of manual cranking and enabling quick operation. Moreover, Graco has designed this model with an intuitive control panel that allows users to easily adjust settings and monitor performance, reducing the learning curve for new operators.

Another critical characteristic of the GH 733 is its portability. The unit is designed with features such as sturdy wheels and a compact frame, which allow it to be easily transported across job sites. This mobility is particularly beneficial in construction and industrial environments, where equipment needs to be moved frequently.

Durability is a cornerstone of the Graco GH 733 design. Constructed from high-quality materials, the machine is built to withstand the rigors of demanding work environments. Graco's commitment to quality ensures that users receive a reliable product that minimizes downtime and maintenance costs.

In summary, the Graco GH 733, along with its configurations like 231733 and 230975, exemplifies efficient design and advanced technology. With a focus on performance, ease of use, portability, and durability, it meets the needs of professionals looking for high-quality fluid handling solutions. The combination of these features makes the GH 733 a preferred choice for many applications across various industries. Whether for large-scale projects or detailed work, this equipment stands out as a testament to Graco's engineering excellence.
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