2.INSTRUCTIONS FOR PUMP DISASSEMBLY

Refer to PUMP SECTIONAL DRAWINGS, (Figures 7.1 and 7.2)

1.Read WARNINGS before starting to disassemble pump. While disassembling pump, always inspect disassembled parts and adjacent parts to see if further disassembly is needed. Replace worn or damaged parts as required.

2.If you do not know which pump arrangement you have, collect nameplate data and refer to the Owners Manual for 3611-22 (G12-209), to determine what you have. Consult a Roper distributor or Roper Pump Company if you have any questions.

3.When cleaning or lubricating, use only cleaning solutions and lubricants that are compatible with products being pumped and with sealing elastomers. DO NOT use petroleum base products with seals with EPR elastomers. Use a nonpetroleum base lubricant with EPR elastomers.

4.Turn off pump and lock out energy source to driver. DO NOT proceed further with disassembly of pump if there is the slightest possibility that driver may be started.

5.If used, turn off and disconnect flush from mechanical seal.

6.Close inlet and discharge valves.

7.Remove guard and disconnect coupling between driver and pump.

8.Drain inlet and discharge lines. Disconnect lines from pump inlet and discharge.

9.Follow the procedure in the Owners Manual for 3611-22 (G12-209), INSTRUCTIONS FOR DRAINING PUMP.

10.A.) For 3600/4600 “GHBO” pumps, follow steps 11 – 20.

B.) For 3600/4600 “BHB” pumps, go to Section 4, INSTRUCTIONS FOR DISASSEMBLY OF A TYPE “BHB” HYDRAULIC DRIVE. After disassembling hydraulic drive, return to this section and follow steps 11 – 20.

C.) For 3600/4600 “GHB” pumps, follow steps 21 – 32.

D.) For 3700/4700 “GHBO” pumps, follow steps 11 – 20.

E.) For 3700/4700 “BHB” pumps, go to Section 4, INSTRUCTIONS FOR DISASSEMBLY OF A TYPE “BHB” HYDRAULIC DRIVE. After disassembling hydraulic drive, return to this section and follow steps 11 – 20.

F.) For 3700/4700 “GHB” pumps, follow steps 42 – 53.

11.Remove two washer head cap screws (K) and eight hex head cap screws (L) securing faceplate (23A, B, C) to case (19A, B, C, D). Remove faceplate (23A, B, C).

12.Remove two dowel pins (J) from case.

13.Remove case gaskets (20).

14.On “BHB” and “GHBO” pumps, remove drive gear (34) and key (B) from drive shaft (32).

15.Remove idler gear (35) and key (B) from idler shaft (33). Remove idler shaft.

16.Remove two washer head cap screws (K) and eight hex head cap screws (L) securing backplate (6A, B) to case (19A, B, C, D). Separate parts.

17.Remove case gaskets (20) from opposite side of case (19A, B, C, D).

18.Remove two dowel pins (J) from opposite side of case (19A, B, C, D).

19.Remove drive key (A) from drive shaft (32).

20.A.) For 3600/4600 “GHB” gear reduction unit, follow steps 21 – 32.

B.) For 3600/4600 “GHBO” and “BHB” pumps, follow steps 33 – 41.

C.) For 3700/4700 “GHB” gear reduction unit, follow steps 42 – 53.

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Roper G12-436 owner manual Instructions for Pump Disassembly, Refer to Pump Sectional DRAWINGS, Figures 7.1
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G12-436 specifications

The Roper G12-436 is a versatile and robust washing machine designed for both residential and light commercial use, known for its reliability and efficiency. This model integrates cutting-edge technologies and user-friendly features, making laundry tasks less time-consuming and more effective.

One of the standout features of the Roper G12-436 is its impressive capacity. With a large drum size, it can handle sizable loads, accommodating bedding, towels, and various garment types with ease. This capacity not only saves time by allowing users to do fewer loads but also contributes to energy efficiency by maximizing the amount of laundry processed per wash.

The G12-436 is equipped with multiple wash cycles, providing flexibility to cater to different fabric types and levels of soil. Users can choose from cycles such as delicate, heavy-duty, and quick wash, ensuring optimal care for their garments. This adaptability makes it suitable for a variety of laundry needs, from everyday clothing to more sensitive fabrics.

Another notable aspect of the Roper G12-436 is its efficient water usage. Featuring a high-efficiency design, it utilizes advanced technology to minimize water consumption while still achieving excellent cleaning results. This is particularly advantageous for eco-conscious users looking to reduce their environmental footprint.

In terms of control, the G12-436 features an intuitive electronic control panel, allowing users to select wash settings easily. LED indicators guide users through the wash cycle, ensuring clarity and convenience throughout the process.

Moreover, the machine boasts powerful spin speeds that enhance drying efficiency. By extracting more moisture during the spin cycle, the G12-436 enables clothes to dry faster, whether air-drying or using a dryer. This feature streamlines the laundry process, making it a practical choice for busy households.

Durability is another hallmark of the Roper brand, and the G12-436 is no exception. Constructed with high-quality materials, it is built to withstand the rigors of regular use, ensuring longevity and consistent performance over time.

In summary, the Roper G12-436 is a well-rounded washing machine that combines capacity, efficiency, and ease of use. With its range of wash cycles, water-conserving technology, and robust construction, it stands out as an excellent investment for anyone looking to simplify their laundry routines without compromising on quality.
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