Troubleshooting, Adjustments, & Service

B

B

 

B

A

 

Figure 25. PTO Clutch Adjustment

A.Adjustment Window (Qty. 3, one shown)

B.Adjustment Nut

A

B

C

Figure 26. Adjust PTO Clutch

A.Window

B.Adjustment Nut

C. .016”-.018” (0,40-0,45mm) Feeler Gauge

PTO CLUTCH ADJUSTMENT

Check the PTO clutch adjustment after the initial 25 hour break-in period and then after every 250 hours of opera- tion. Also perform the following procedure if the clutch is slipping or will not engage, or if a new clutch has been installed.

1.Remove key from ignition switch and disconnect spark plug wires to prevent the possibility of acciden- tal starting while the PTO is being adjusted.

2.See Figure 25. Note the position of the 3 adjustment windows (A) in the side of the brake plate and the nylock adjustment nuts (B).

3.Insert a .016”-.018” (0,40-0,45mm) feeler gauge (C) through each window, positioning the gauge between the rotor face and the armature face as shown in Figure 26.

4.Alternately tighten the adjustment nuts (B, Figure 25) until the rotor face and armature face just contacts the gauge.

5.Check the windows for an equal amount of tension when the gauge is inserted and removed, and make any necessary adjustments by tightening or loosen- ing the adjustment nuts.

NOTE: The actual air gap between the rotor and arma- ture may vary even after performing the adjustment pro- cedure. This is due to dimensional variations on compo- nent parts, and is an acceptable condition.

6.Check the mower blade stopping time. The mower blades and mower drive belt should come to a com- plete stop within five seconds after the electric PTO switch is turned off.

WARNING

To avoid serious injury, perform adjustments only with engine stopped, key removed and rider on level ground.

BLADE BRAKE CHECK

Mower blades and mower drive belt should come to a complete stop within five seconds after electric PTO switch is turned off.

1.With parking brake engaged, PTO disengaged and an operator in the seat, start the engine engine.

2.Have an assistant observe the mower drive belt through the opening between the frame and top of mower deck. Engage the PTO and wait several sec- onds. Disengage the PTO and check the amount of time it takes for the mower drive belt to stop.

3.If the mower drive belt does not stop within five sec- onds, perform the PTO Clutch Adjustment. If the belt still does not stop within 5 seconds, see your dealer.

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Snapper RZT185380BVE, RZT20380KH, RZT20420BVE2 manual PTO Clutch Adjustment, Blade Brake Check
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RZT185380BVE, RZT20380KH, RZT20420BVE2 specifications

The Snapper RZT20420BVE2, RZT20380KH, and RZT185380BVE are three standout models in the Snapper line of zero-turn riding mowers, designed for both residential and commercial use. Each of these mowers combines advanced technology, robust engineering, and user-friendly features to deliver a reliable lawn care experience.

The Snapper RZT20420BVE2 is a high-performance model equipped with a powerful 20 HP Kawasaki engine. This unit features a 42-inch cutting deck that enables smooth and efficient mowing for medium to large lawns. One of its key characteristics is the commercial-grade, heavy-duty construction, which ensures durability and longevity. The mower is also designed with a zero-turn radius, allowing for exceptional maneuverability around obstacles and tight spaces, making it ideal for complex lawn designs.

The RZT20380KH model offers a slightly smaller and versatile option with an 18.5 HP Kohler engine. It features a 38-inch cutting deck, providing an effective cut for smaller lawns or areas with numerous landscaping features. The adjustable cutting height ensures a customizable mowing experience, catering to various grass types and growth conditions. The mower's integrated dual hydrostatic transmission provides smooth operation and enhances control, making it easy for users to navigate around flower beds and shrubs.

The Snapper RZT185380BVE model stands out for its exceptional power and efficiency, equipped with a robust 18 HP Briggs & Stratton engine. With a 38-inch deck, it's perfect for homeowners looking for a balance of performance and ease of use. This mower is engineered with a user-friendly operation panel, making it easy for operators to control speed and cutting height. The RZT185380BVE also features Snapper’s innovative mow-in-reverse capability, which allows mowing while reversing, increasing efficiency.

Across these models, Snapper emphasizes comfort and ease of use. They are equipped with plush, high-back seats for added support during extended mowing sessions, as well as lap bars that allow fine control and increased maneuverability. The addition of LED headlights in certain models improves visibility for early morning or late evening mowing.

Each of these Snapper mowers showcases advanced engineering and design tailored to meet diverse lawn care needs. With their impressive performance characteristics, ease of operation, and durable build, the Snapper RZT20420BVE2, RZT20380KH, and RZT185380BVE are excellent choices for anyone looking to maintain a pristine lawn.
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