SECTION 4 - SERVICE

WARNING

Once blades are disengaged, they should come to a complete stop in 7 seconds or less. If the blades continue to rotate after 7 seconds, the electric clutch must be checked. Replacement of electric clutch may be necessary. Return machine to dealer for replacement. DO NOT CONTINUE to operate mower if blades fail to stop in 7 seconds.

4.1 ELECTRIC CLUTCH ADJUSTMENT

The Pro Hydro Mowers are equipped with an Electric Blade Control. The cutter blades should STOP within 7 seconds after the BLADE SWITCH is moved to “OFF” position. If blade stopping time exceeds 7 seconds, check the clutch air gap setting as follows:

1.With the Ignition Switch moved to “STOP” and the Blade Switch moved to “OFF”, locate the three air gap check “SLOTS” as shown in Figure 4.2.

ADJUST AIR GAP TO

ADJUSTING NUT

BE .010 TO .012.

 

CLUTCH

FIGURE 4.2

2.Insert a feeler gauge into each of the three slots.

3.The clearance in each slot should be NO MORE than

.010 to .012.

4.If adjustment is required, keep feeler gauge in slot and turn the adjusting nut until the gap is correct.

5.Adjust all three slots.

4.2 HYDRAULIC SYSTEM ADJUSTMENTS

&SERVICE

4.2.1.GENERAL HYDRAULIC SERVICING

1.The Hydraulic Oil and Filter should be changed after the initial 25 hours of use and after every 200 hours of use. Drain both compartments of the hydraulic reservoir completely. Replace filter using genuine Snapper replacement only.

Fill reservoir using 1 gallon of SAE10W-30 oil. Operate machine for several minutes.

Check oil level. Reservoir is properly filled when level is 1- 1/2” from the top of the filler neck. See Figure 3.1.

NOTE: Always clean the Cap and surrounding area before checking Oil Level or adding Oil. The Hydraulic Oil Tank is FULL when the Oil is 1-1/2” from the top of the filler neck as shown in Figure 3.1.

2.Before removing parts from the Hydraulic System, check to make sure another part of the machine is not causing the problem. Look for:

A.Loose Drive Belt.

B.Improperly set or bad Idler Pulley.

C.Loose or lost set screws and/or sheared Keys in Pulleys.

D.Pump Release loose.

E.Oil saturated Drive Belts.

F.Loose Drive Arms on Pumps.

4.2.2. PUMP/MOTOR REPLACEMENT

1.Should it become necessary to replace a Pump or Motor, it is recommended that the affected Pump or Motor be replaced as a set (both Pump and Motor). Generally, when a Pump or Motor is bad, it will affect the associated Pump or Motor.

2.Relieve all pressure in the system and disconnect Spark Plug(s). See Figure 4.3.

3.Replace the affected component(s).

TURN PRESSURE RELIEF

VALVE ON EACH PUMP

COUNTER-CLOCKWISE

TO RELEIVE SYSTEM

PRESSURE.

LEFT HAND

PUMP

RIGHT HAND

PUMP

FIGURE 4.3

4.2.3. HYDRAULIC PUMP BELT REMOVAL

1.STOP ENGINE! Loosen and remove Nut from under the Spring Tensioner for Hydraulic Belt Idler Tensioner. Remove Spring from Bolt. See Figure 4.4.

HYDRAULIC

PUMP BELT

BOLT

SPRING TENSIONER

REMOVE NUT

FIGURE 4.4

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Snapper SPLH151KW, SP400, SP300, SPLH221KWE, SPLH171KW Electric Clutch Adjustment, Hydraulic System Adjustments Service
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SPLH141KW, SPLH151KW, SPLH141KWE, SPLH171KW, SP400 specifications

The Snapper SP300, SPLH221KWE, SP400, SPLH171KW, and SPLH141KWE represent a range of high-performance lawn mowers designed to meet the diverse needs of homeowners and landscape professionals alike. Each model comes equipped with distinct features and technologies that enhance functionality, efficiency, and user experience.

Starting with the Snapper SP300, this robust walk-behind mower is powered by a reliable engine that delivers ample power for tackling various grass types and conditions. Its innovative cutting system includes a tough steel deck that ensures durability while providing a clean cut every time. The SP300 also boasts adjustable cutting height settings, allowing users to customize their lawn mowing to achieve the desired grass length.

The SPLH221KWE is designed for those who prioritize convenience and advanced technology. This model features a self-propelled drive system, making it easier to maneuver on different terrains. The electric start function enhances usability, eliminating the need for pull cords. This mower is equipped with a mulching capability, allowing clippings to be finely chopped and returned to the lawn as organic fertilizer.

Next is the Snapper SP400, which is built for efficiency and power. Featuring a larger cutting deck, this mower can cover more ground in less time. Its high-performance engine ensures steady power delivery even in tough mowing conditions. The SP400 also includes a bagging system that effectively collects grass clippings, promoting a neat and tidy lawn finish.

The SPLH171KW is a compact yet powerful option, perfect for smaller yards or tight spaces. Despite its size, it does not compromise on features, as it supports height adjustments and comes with a durable blade that provides precision cutting. This model is designed for easy storage, making it suitable for homeowners with limited garage space.

Finally, the SPLH141KWE combines lightweight design with powerful performance. This mower is ideally suited for those who prefer a user-friendly experience without compromising on results. With its easy-start technology and adjustable speed settings, users can operate the mower comfortably across different lawn conditions.

When considering these Snapper models, it's important to note that they are all engineered with user comfort in mind, featuring comfortable grips, intuitive controls, and minimal maintenance requirements. With a focus on ease of use, performance, and longevity, Snapper mowers are a valuable investment for maintaining a pristine lawn. Whether you choose the SP300, SPLH221KWE, SP400, SPLH171KW, or SPLH141KWE, you can expect exceptional quality and results.
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