Snapper 2137 manuale d’uso

A TT ACHMENT OPERA T OR’S MANUAL 60” Hydraulic Angling Dozer Blade Attachment Mfg. No. Description 1692925 60” Hydraulic Angling Dozer Blade Attachment (for use with Legacy / 2000 / 2900 Series) 1718437 Rev 12/97 TP 100-2137-00-AT-SMA 60” Hydraulic Angling Dozer Blade[...]

MANUFACTURING, INC. 500 N Spring Street / PO Box 997 Port Washington, WI 53074-0997 www.simplicitymfg.com © Copyright 1997 Simplicity Manufacturing, Inc. All Rights Reserved. Printed in USA.[...]

1 T able of Contents SAFETY RULES Recommended Accessories .......................1 Safety Rules ..................................................2 FEA TURES & CONTROLS Control Functions ........................................3 OPERA TION Checks Before Starting ................................4 Engine & Ground Speed Selection .............[...]

2 Safety Rules OPERA TING SAFETY l Always clear snow up and down the face of slopes, never across the face. Exercise extreme caution when changing direction on slopes. Do not attempt to clear steep slopes. l Exercise extreme caution when operating on, or crossing, gravel drives, walks or roads. Stay alert for hidden hazards or traffic. l After stri[...]

3 Features & Controls TRACT OR CONTROLS Before you begin operating the tractor with the dozer blade attachment, make certain you have: • Read and understood the instructions in the tractor Operator’s Manual. • Become thoroughly familiar with all of the tractor controls and their operation, including how to safely and properly start and st[...]

4 Operation Checks Before Starting 1. Refer to the Maintenance & Adjustments sections of this manual and perform any needed service. Also, refer to the tractor Operator’s Manual and perform any required service. 2. Remove any objects from the work area which might interfere with dozing activity. 3. Adjust the skid shoes to desired height. See[...]

5 Operation Daily Storage 1. Allow tractor engine to cool before storing in any enclosure. 2. After dozing jobs are completed, hose or brush down the blade to remove excess dirt. 3. Lightly oil all pivot points. Coat bare metal surfaces to prevent corrosion. IMPORT ANT NOTE Refer to Tractor Operator’s Manual for important information concerning s[...]

6 Maintenance Schedule For Normal Care Care Required Schedule Clean debris from After each use. dozer blade. Lubricate dozer blade. Every 10 hours or at least once a year. Lubricate Dozer Blade Lubricate the dozer blade as shown in Figure 2. Where an oil can is shown, wipe the area clean, apply a few drops of oil (SAE 30), then wipe up drips or spi[...]

7 T roubleshooting Locate the problem you’ve encountered in the chart below. Check the possible causes one at a time in the order list- ed. Correct any problems that are found and operate the snowthrower to see if you have eliminated the problem. WARNING To avoid serious injury, perform maintenance on the tractor or dozer blade only when the engi[...]

8 Hydraulic System Diagram Metal Crossov er T ubes Male Male Female Female Male Male Female 1718416 1/2 x 75" Female Control V alv e Angling Cylinder Master V alv e IN OUT BYD T ractor F ront Threads Hose Clamp Hose Clamp Hex Fitting “T” Connector Beaded End B A Dozer 1718415 23/32 x 40" 1718413 5/8 x 9" 1718411 23/32 x 17" [...]

9 Adjustments Figure 3. Skid Shoes and Scraper Bar A. Capscrew D. Nut B. Carriage Bolt E. Washer C. Lockwasher ADJUSTMENTS Skid Shoe Adjustment When clearing snow off smooth surfaces such as con- crete or asphalt, the scraper bar should scrape the sur- face. On surfaces such as gravel, the scraper bar should be set high enough so that it will not p[...]

10 Initial Assembly & Installation Figure 6. Assemble Dozer Blade A. Hitch Pivot Assy. C. Pivot Pin B. Dozer Blade Assy. D. Cotter Pin B A C D INITIAL ASSEMBL Y & INST ALLA TION Attach Dozer Lift Arm 1. See Figure 5. Assemble the dozer lift arm (B) to the dozer hitch (A) using two 1/2-13 x 1-3/4” capscrews, lockwashers, and nuts. Insert t[...]

11 Initial Assembly & Installation Figure 9. Drawbar Bolts & Washers Capscrews & Washers Figure 10. Rear Hitch Brackets A. Bracket C. Capscrew, 5/8-11 x 2” B. Washer, 5/8 A B C Install Rear Hitch Mounting Brackets 1. Remove the front four capscrews and lockwashers securing the drawbar to the transmission (see Figure 9). 2. Attach the [...]

12 Initial Assemble & Installation Install Attachment Lift Extension NOTE: The attachment lift extension must be removed when using mower. 1. Install the attachment lift extension (B, Figure 11) on the left attachment lift arm (A) using two 3/8-16 x 1” carriage bolts (C), lockwashers, and nuts as shown. Assemble Ladder Hitch 1. Attach the han[...]

13 Initial Assembly & Installation Figure 15. Attach Dozer A. Dozer Pins C. Attachment Hooks B. 5/8 x 1-5/8” Flat Head Clevis Pin A B C Install Dozer Blade 1. Fully lower the attachment lift. 2. See Figure 15. Attach the dozer to the tractor by resting the dozer pins (A) on the front attachment hooks (C). 3. See Figure 15. Install two clevis [...]

14 Initial Assemble & Installation Install New Master V alve 1. Remove the two screws that connect the plastic upper dash to the left side of the lower air screen to provide access to the master valve. 2. Remove the foam (A, Figure 17) located below the master valve (B). 3. Note the markings on the body of the master valve (B, Figure 17). Label[...]

15 Initial Assembly & Installation Install Cross-Over T ubes 1. Locate the metal cross-over tube with a male thread- ed fitting on one end and a female hex fitting on the other. Install one female quick connector (B, Figure 19) on the male threaded fitting. 2. Locate the metal cross-over tube with a male thread- ed fitting on one end and a bead[...]

16 Initial Assemble & Installation Install Bypass Hose & T -Connector 1. Install the 23/32” x 17” bypass hose (A, Figure 23) from the power beyond port of the master valve to the front cross-over tube (E). 2. Cut the return hose (B, Figure 23) 3” from the valve as shown. 3. Install the T-connector (C, Figure 23) in the return hose (B)[...]

17 Initial Assembly & Installation Install Control V alve 1. Locate the old single spool master valve removed from tractor (A, Figure 26). NOTE: From this point on, the old master valve will be referred to as the control valve (A, Figure 26). 2. Install the control lever (D, Figure 26) using a small clevis pin (C), the U-link (E), and small cot[...]

18 Initial Assemble & Installation Figure 28. Cross-Over Tubes A. Front Cross-Over Tube B. Back Cross-Over Tube B A To Dozer Hoses Figure 27. Control Valve A. Control Valve B. 23/32” x 40” Hose w/ Male Quick Connector C. 23/32” x 40”Hose w/ Female Quick Connector D. Support Arm E. 1/4-20 x 1-3/4” Taptite Screws A D C B To Front Cross-[...]

19 Initial Assembly & Installation Figure 29. Dozer Hydraulic Cylinder A. Cylinder B. Clevis Pin & Hair Pin Clip C. 1/2” x 28” Hose with Male Quick Connector D. 1/2” x 28” Hose with Female Quick Connector Install Hydraulic Cylinder On Dozer Blade 1. Install the cylinder (A, Figure 29) onto the dozer blade using clevis pins and hair [...]

20 Initial Assemble & Installation Figure 32. Transmission Fluid Check A. Hydraulic Tube Figure 33. Transmission Oil Fill Transmission Oil Fill Bumper Removed For Clarity 10. Install a male and female quick connector on the 1/2” x 11” hose (see Figure 31). This hose must be installed when the dozer blade is removed from the tractor. Figure [...]

21 Dozer & Hitch Removal DOZER & HITCH REMOV AL NOTE: Connect male and female quick connectors to prevent dirt and water from entering the hoses. NOTE: Cross-over tubes must remain installed on the tractor 1. Fully lower the attachment lift. 2. Disconnect the 1/2” (small) dozer hoses (D, Figure 35) from the 1/2” control valve hoses (C).[...]

22 Normal Installation NORMAL INST ALLA TION Install Hitch Onto T ractor 1. Slide the hitch and lift rod assembly under the tractor. Use 4x4 wood blocks to support the hitch and help align the mounting holes. 2. Attach the rear end of the ladder hitch (B, Figure 38) the to the rear hitch brackets (A) using two 5/8 x 1- 5/8” flat head clevis pins [...]

23 Normal Installation 5. Remove the bypass hose (Figure 41) from the cross- over tubes. See Figure 42. 6. Connect the 23/32” x 40” hoses (B) from the control valve to the the cross-over tubes (A). 7. Connect the 1/2” x 75” hoses (C) from the control valve to the dozer hoses (D). 8. Lubricate the dozer as shown in the Maintenance section of[...]

24 T orque Specification Chart FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%) Hardware Grade SAE Grade 2 SAE Grade 5 SAE Grade 8 Size Of in/lbs in/lbs in/lbs Hardware ft/lbs Nm. ft/lbs Nm. ft/lbs Nm. 8-32 19 2.1 30 3.4 41 4.6 8-36 20 2.3 31 3.5 43 4.9 10-24 27 3.1 43 4.9 60 6.8 10-32 31 3.5 49 5.5 68 7.7 1/4-20 66 7.6 8 10.9 12 16.3 1/4-28 76 8.6[...]