Troubleshooting, Adjustment & Repair

TRANSMISSION MAINTENANCE

The hydrostatic transmissions are sealed units that require no maintenance other than the following.

•Keep the machine and the transmission cooling fins clear or grass, leaves and debris.

•Keep oil level in the reservoir (A, Figure 32) at the “FULL” line (B). Extra oil in the reservoir will not benefit the machine.

•If it is necessary to add oil to the reservoir, use SAE straight 20 or 30 weight motor oil. DO NOT use a multi-grade oils. Make sure the area around the oil reservoir is free from dust, dirt and debris before opening the reservoir.

•Make sure the oil reservoir cap are tight.

•Keep water, dirt and debris from entering the oil reservoir. A small amount of a contaminant could damage the transmissions.

Make sure transmissions and immediate surrounding areas are free from dirt and debris before changing the oil and filters. Cleanliness while performing this operation is extremely important.

Changing Oil & Filters

1.Park the machine on a smooth, level surface such as a concrete floor. Disengage the PTO, engage the parking brake, turn off the engine, and remove the ignition key.

2.Place a drain pan under each transmission and remove the filters to drain the oil. See Figure 33.

NOTE: Before removing the right hand transmission filter the filter guard must be removed.

3.Once oil has drained from transmissions, replace with new filters (P/N 5021068X1), placing a light film on the seal of the filter before installing.

Hand-tighten filter only.

4.Fill oil reservoirs 3/4 full with SAE straight 20 or 30 weight motor oil.

To Bleed Air From Transmissions

1.Locate the machine in a secure area, away from bystanders and preferably facing a wall. Raise the drive tires off the ground and secure with jack stands.

2.Continue to fill reservoirs to the FULL LINE until the oil level stops going down.

A

B

Figure 32. Oil Reservoirs

A.Oil Reservoirs

B.“FULL” Line

A

Figure 33. Transmission Oil Filter Location (left-hand side shown with deck guard cut away.) A. Transmission Oil Filter

3.Start the engine and adjust throttle control to just above idle. See the STARTING THE ENGINE section for proper starting instructions.

4.Run engine for 5 minutes. Watch the oil level in the reservoirs. Add oil to the “FULL” line (B, Figure 32) as necessary.

5.With engine running, cycle controls forward and reverse until positive response to the drive is achieved. Do not attempt to move the unit until bleeding is complete or serious damage may occur.

6.Watch oil levels for the next few days and add oil to the reservoirs as necessary.

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Ferris Industries 5900636, 5900645 manual Transmission Maintenance, Changing Oil & Filters, To Bleed Air From Transmissions
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5900633, 5900647, 5900972, 5900644, 5900637 specifications

Ferris Industries has consistently pushed the envelope in landscaping equipment with their notable series of mowers, particularly evident in model numbers 5900636, 5900638, 5900635, 5900647, and 5900645. Each of these models reflects their commitment to durability, efficiency, and performance, making them ideal for both commercial and residential use.

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The 5900635 is tailored for those who prioritize speed without compromising quality. Equipped with a high-performance engine, it allows for rapid mowing without sacrificing power or efficiency. Its fuel-efficient design ensures that users can cover larger areas with less downtime for refueling. The model also incorporates advanced safety features, promoting secure operation.

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In conclusion, Ferris Industries' models 5900636, 5900638, 5900635, 5900647, and 5900645 embody the brand's dedication to innovation and quality in landscaping equipment. With advanced features and technologies, they cater to a broad range of mowing needs, from residential lawns to commercial landscaping, ensuring users achieve the best results while enjoying a comfortable and efficient mowing experience.
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