Setup Manual Form No. 3364-608 Rev A Register your product at www.Toro.com MH-400 Material Delivery Unit Model No. 44930--Serial No. 310000001 and Up Model No. 44931--Serial No. 310000001 and Up Model No. 44933--Serial No. 310000001 and Up Model No. 44934--Serial No. 310000001 and Up Model No. 44937 Model No.
Table of Contents Introduction........................................................................................................................1 Message Boxes .........................................................................................................1 Setup Instructions .............................................................................................................2 How to Set Up the MH-400 Base...............................................................................
Figure 13: Remove lift fork stop plates...................................................................... 5 Figure 14: Install forks onto the slide plate................................................................ 5 Figure 15: Twin Spinner handle openings................................................................. 6 Figure 16: Install Twin Spinner handles .................................................................... 6 Figure 17: Hopper front guard ........................................
Figure 66: Connect wiring harness to electrical plug...............................................32 Figure 67: Install brake wiring..................................................................................33 Figure 68: Electric brake wiring schematic ..............................................................34 Figure 69: Position front side yellow marker light ....................................................35 Figure 70: Remove bolt for rear taillight bracket...............................
Introduction Message Boxes Read this Setup Manual carefully before setting up the MH-400 Material Delivery Unit. Keep it in an accessible location. The Setup Manual contains message boxes that are labelled Warning and Important. These boxes indicate potential safety concerns, and operating and servicing information. Read these message boxes carefully to avoid injury and equipment damage. To get a replacement manual, contact an authorized Toro distributor.
Setup Instructions How to Set Up the MH-400 Base 1. Remove the rear support leg from the shipping position and place it in the down position. 2. Remove the hitch from the shipping position by cutting both straps securing the hitch to the fender (Figure 1). Remove both mounting brackets and discard. Figure 2: Bolt hitch to frame 6. Remove the jack assembly from the rear leg. Install the jack assembly onto the hitch tube, placing the pin horizontally.
. Remove the two option attachment clamps from underneath the weight case and install them onto the rear of the MH-400 (Figure 4). Figure 4: Install option attachment clamps 10. Install the weight case on the hitch (look for the hitch installation decal), as far forward on the hitch as possible. option caddy legs. Set the option caddy legs aside for future installation. Please refer to Figure 6 below. Figure 6: Removing Option Caddy Legs Note – Two people are required for the next step. 14.
Figure 8: Remove bolts and nuts from rear gate 16. Install the rear gate into position at the rear of the MH-400 (Figure 8). 17. Install both 7.8 x 50 mm (5/16 x 2 in) bolts and nylon locking nuts back into the rear gate assembly. 18. Remove the protective wrapping from the the mirror assembly and adjust it into position. 19. Tip the MH-400 back. Refer to Figure 9. Figure 10: Removal of shipping nuts 21. Remove two 7.
The tow vehicle hydraulics are required to run the on/off pendant switch on SH Models. 3. Remove the left and right lift fork stop plates (Figure 13). 25. Take the universal power feed wire (3.9 m [13 ft] length) and attach the alligator clips to the tow vehicle’s battery. 26. Run the wire to the back of the tow vehicle and connect it to the wire located with the pressure and return hydraulic hoses. 27. Test the operation of the MH-400. Ensure that there are no hydraulic leaks.
How to Set Up the Option Caddy (2) The option caddy is designed for one person to easily lift, transport, and mount the cross conveyor, with or without the swivel kit, onto the MH-400. 1. Remove all wooden shipping blocks and banding before proceeding with installation. 2. Install the handle into the frame and secure using the provided pins (2). 3. Check that the tire pressure on all tires is 206 kPa (30 psi) maximum. Figure 16: Install Twin Spinner handles How to Set Up the Twin Spinner 1. 2.
Figure 18: Install hopper front guard Figure 19: Twin Spinner option, side view A. Option control valve B. Hose connections C. Quick-attach brackets Setup Instructions D. Twin Spinner E.
bolts, flat washers and nylon locking nuts (Figure 21). How to Set Up the Cross Conveyor 1. Install the front deflector shield, with the rubber hanging down, to the inside rail of the cross conveyor (on the motor end), using two 6.35 x 25 mm (¼ x 1 in) bolts and nylon locking nuts. These will be found loosely in place where the deflector shield is to be mounted. Place the flat washers between the side rail of the cross conveyor and the front deflector shield bar.
How to Set Up the MH Processor 1. Remove all wooden shipping blocks and banding before proceeding with set up. Also remove the loose stand components and set them aside. 2. The hopper is shipped inverted on the conveyor. Install the hopper onto the conveyor so that the opening of the hopper is facing upwards and is at a 45 degree angle. Using six 3/8” x 1” (9.5 x 25 mm) bolts, six nylon locking nuts and twelve washers, fasten the base of the hopper to the conveyor. 5. Assemble the processor stand.
How to Set Up the Hydraulic Power Pack Attach the power pack to the front hitch of the MH-400 using the parts supplied (Figure 25). Figure 25: Install hydraulic power pack A. B. C. D. Connect to tow vehicle PTO (power take-off unit) PTO shaft Set screw on PTO shaft hub Power pack E. F. G. H. Tank mount PTO jack mount MH-400 jack mount MH-400 hitch 1. Support the hitch off the ground, as level as possible without using the jack for support, or connect it to the tow vehicle.
their total length. You may have to move the power pack forward or cut the PTO shaft. 9. Install the MH-400 pressure and return hoses to the PTO. The female quick coupler closest to the control lever is the pressure port. The return hose has an inline one way check valve. 10. Fill the hydraulic PTO tank with a recommended hydraulic fluid (see the hydraulic fluid chart in the Operator’s Manual). 2.
7. Remove both hydraulic line clamps and hardware from the fender (Figure 28). Figure 28: Remove hydraulic line clamps and hardware 8. Remove and discard the hydraulic hose that is farthest away from the valve control lever on the first hydraulic control valve (Figure 29, top arrow). 10. Remove the two hydraulic fittings (90-degree) from the top of the hydraulic control valve (Figure 30).
12. Install the tee fitting (½ mjic – ½ mjic – ½ mpt) to the outer valve port. Ensure that the angle of the tee fitting is the same as the angle of the 90-degree fittings that you removed (Figure 32). 15. Install the opposite end of the Item 8 hose to the open hard line (Figure 34). Figure 34: Install end of Item 8 hose to open hard line 13. Re-install the hose that was disconnected in Step 9 to the side of the tee fitting (Figure 33). 16.
18. Attach the opposite end to the valve solenoid port #1 (Figure 36, left arrow, and Figure 44). 23. Remove the hydraulic hose clamp at the front left corner of the MH-400. Discard the 6.25 cm (2½ in) bolt only (Figure 38). Figure 36: Install Item 6 hose and fitting end to point B Figure 38: Remove hydraulic hose clamp 19. Install the Item 7 hose and 90-degree fitting end to point A of the hydraulic control valve (Figure 37, top arrow, and Figure 44). 24.
27. On one end, cut a hole through the sheath 18.75 mm (¾ in) away from the end (ensure that you cut through both sides). This will be the front end of the sheathing. hose sheathing. Tighten. Do not crush the wiring harness (Figure 41). 28. On the opposite end, cut a hole through the sheath 37.5 mm (1½ in) away from the end. This will be the rear end of the sheathing. 29. On the front end, take five or six large paper clips and slide them over the end.
38. Take the Item 7 rubber grommet and slide it over the yellow wiring harness. 39. Attach the yellow wiring harness to the back side of the 4-prong socket. Follow the wiring schematic in Figure 41. 40. Slide the rubber grommet up into the back side of the socket.
Figure 43: Wiring Schematic For On/Off Pendant Switch On SH Models Setup Instructions Page 17
Figure 44: Hydraulic Assembly For On/Off Pendant Switch On SH Models Page 18 Setup Instructions
How to Install the Wiring for the Tow Vehicle “+V” WIRE “0V” WIRE SH Models 1. Run the battery wiring harness through the tow vehicle and up to the battery. 2. Connect the white wire to the positive connector and the black wire to the ground using the clips provided. 3. Attach the SH battery wiring harness to the solenoid wiring harness coming from the hose sheathing (Figure 45). Figure 46: Plug Details 3. Attach the socket bracket to the tow vehicle using the 6.35 x 25.
How to Install the EH Control Pendant on Tow Vehicle or Swing Arm 1. Remove the pendant and pendant bracket from the packaging. 2. Attach the pendant bracket to the pendant. Remove the two nuts and install the bracket, making sure the tension knob is on the right side of the pendant (Figure 48). Figure 49: EH Control Pendant Mount Figure 48: EH Control Pendant Mount 3. For Tow Vehicle mounting, determine an appropriate location for the control pendant mount. Surface should be flat and solid.
How to Install the Electric Brakes Before installing the electric brakes, remove the protective LPS coating that is applied at the factory to protect the drums and the shoe backing plates from corrosion. 1. Remove all of the brake shoes and brake drums from the kit and place them in a well-ventilated area. 2. Use an automotive brake cleaner to spray the brake drums and brake shoes until the protective coating is completely removed. You may need to spray twice for best results.
Figure 52: Install brake kit A. Suspension chassis B. Note – The threaded bolt welded to the end of the walking beam shaft must face towards the front of the MH-400 C. Existing tire Page 22 D. E. F. G. H.
undo the bolts holding the suspension, while leaving room to remove the tires and axles from under the MH-400. Four Wheel Brake Kit Installation Procedure 1. The MH-400 must be stable. Start by carefully raising and safely supporting the MH-400 off of the ground, so that the four tires are off of the ground by about 5 cm (2 in) (Figures 53 and 54). 3. Remove the four nuts and bolts that go through the yellow bearing blocks and hold the axles onto the suspension on each side. 4.
8. Lastly, remove the hub assembly. The spindle and a fastening plate will be left (Figure 56). Figure 57: Mount hub assembly onto drum 12. Torque in a crossover pattern (same as a tire) to 13.8 kg/m (100 ft-lb). 13. Install the dust cover onto the axle, ensuring that the adjusting hole on the brake shoe is on the bottom (Figure 58). Figure 56: Remove hub assembly 9. Check all bearings and races. Replace them if necessary. 10. Ensure that the hubs are free of moisture and dirt.
16. Install the four 12.5 x 31.25 mm (½ x 1½ in) bolts from the back side, using the nylon locking nuts on the inside of the brake shoe assembly. Torque to 15.2 kg-m (110ft-lbs). Note – Do not use air tools when tightening the backing plate and shoe assembly. 17. Install the hub and drum assembly onto the spindle. 18. Adjust the wheel bearings (Figure 59). Follow these steps for both sets of brake shoe assemblies: 24.
2. 32. Line up all the holes and set the yellow block (the one without the grease nipple) on top of the mounting shaft. Take the white wire of the same 2-prong plug and connect it to the white wire of the grey wiring harness with a shrink connector (this will be the ground wire). 3. 33. Lower the bolts into the block and lower the MH-400 onto the block. Heat the shrink connectors with a torch or hot air dryer until they shrink onto the wire. 4.
7. Run the wire along the hydraulic hoses to the 7-prong electrical plug (Figure 63). Figure 63: Run wire along hydraulic hoses to 7-prong plug 8. 9. Cut the grey wiring harness, leaving enough wire to connect to the 7-prong electrical plug. Repeat the above steps for the left side brake assembly. How to Wire the 7-Prong Harness 1. Strip off the ends of the two sets of wires—one from the left brake assembly and one from the right. 2. Connect the black wires together and the white wires together. 3.
Two Wheel Brake Kit Installation Procedure (Outer Brakes) 1. the inside of the brake shoe assembly. Torque to 15.2kg-m (110ft-lbs). The MH-400 must be stable. Start by carefully raising and safely supporting the MH-400 off the ground, so that the four tires are off the ground by about 5 cm (2 in) (Figures 53 and 54). Note – Do not use air tools when tightening the backing plate and shoe assembly. 2. Remove outside wheel on the left and right side of the unit. 14.
Two Wheel Brake Kit Installation Procedure (Inner Brakes) 1. Follow procedure for four wheel brake kit installation steps 1-20. 2. Repeat steps 7-20 for other inside tire. 3. Continue with step 22 onwards. Install brake wiring and 7-prong harness as described in the previous section.
How to Install Tow Vehicle Brake Components Follow the instructions on Figures 62 and 65 to install the brake controller on the tow vehicle. Figure 61 shows a typical installation for the controller. Note: For further information about brake controller and load controller installation, refer to Warner Electric document #P-1386 819-0129 and 819-0128. Figure 64: Brake controller (example) A. Mount the 7-prong plug and bracket at the rear of the tow vehicle B.
How to Synchronize the Electric Brakes that the MH-400 brakes are applied at the same time as the tow vehicle brakes. Before operating the MH-400 for the first time, the electric brakes must be synchronized to the tow vehicle’s brakes (so that they operate at the same time). The MH-400 and the tow vehicle will seldom have the correct amperage flow to the brake magnets to provide comfortable, safe braking.
Figure 66: Connect wiring harness to electrical plug To 7-pole connector To right side electric brakes To left side electric brakes Page 32 Setup Instructions
Figure 67: Install brake wiring A. B. C. D. E. F. Detail A Detail B Detail C Front view Side view Bolt 7-prong plug to front of MH-400 Setup Instructions G. H. I. J. K. L.
Figure 68: Electric brake wiring schematic (Four Wheel Brake System Shown, Two Wheel Brake System Contains Only One Left and One Right Brake Assembly) Page 34 Setup Instructions
How to Install the Light Kit 1. Position the yellow marker light for the front side underneath the safety decal (Figure 69). Measure 50 mm (2 in) in from the front corner tube of the MH-400 and mark the top left hole. 2. Center punch and drill out the hole with a 5 mm (3/16 in) drill bit. Figure 70: Remove bolt for rear taillight bracket 9. Using the rear taillight bracket as a template, mark the second hole and pre-drill it using a 7 mm (9/32 in) drill bit.
Figure 74: Attach connector bracket Figure 72: Drill holes on side hopper wall 13. Mark and drill ten evenly spaced holes with the 7 mm (9/32 in) drill bit along the upper lip of the side hopper wall. Start 25 mm (1 in) away from the front corner tube (Figure 76, left side view). 18. On the left side, run the Item 4 wire (3.45 m [11.5 ft] length) from the rear taillight along the underside of the lip on the hopper side wall, and down to the front marker light. 14.
22. Finish running the wiring to the trailer plug. Secure it using the rubber clamps and 7.8 x 13.75 mm (5/16 x ¾ in) bolts. Note – Ensure that you apply spiral wrap wire protector to any part of the wiring that may come into contact with sharp metal edges (Figure 79, Detail B). 23. On the right side, run the Item 4 wire (3.45 m [11.5 ft] length) from the rear taillight, along the underside of the lip on the hopper side wall, and down to the front marker light. 24.
Note – When connecting the wiring to the rear of the 7-prong socket, ensure that you run the wiring through the protective rubber sleeve before attaching the wires to the socket. 30. Attach the tow vehicle and the 7-prong wiring socket to the tow vehicle in a convenient mounting place. 31. Follow Figure 80 to connect the necessary wiring to the 7-prong wiring socket from the tow vehicle. 32. Install the Item 11 reflective tape (15 cm [6 in]) to the front and rear outer edges of the fenders on the MH-400.
&523 7@ Figure 79: Light kit wiring assembly Setup Instructions Page 39
Figure 80: Light kit wiring schematic Page 40 Setup Instructions
Figure 81: Light kit wiring harness assembly Setup Instructions Page 41
Maintenance Instructions How to Change Tires How to Change an Outside Tire 1. Keep the MH-400 attached to the tow vehicle, remove any options, and apply the emergency brake. 2. Remove all material from the hopper. 3. Block the tires on the opposite side of the flat tire. 4. Loosen the six wheel bolts on the flat tire with a lug wrench, but do not remove them. 5. Hoist or jack the MH-400 until the tire is off the floor or ground. Ensure that the MH-400 is stable. 6.
9. Repeat this step for the left front corner. 10. Remove the pillow block bearings by sliding the idler roller back so the pillow block bearings slide out of their guides. 19. Lower the drive roller down through the slots. 20. Remove the rear gate for a better view. 11. Remove the two safety brackets and slide the roller down through the open hole. 21. Note the position of the cartridge inside the hopper, so that you can re-install it in the same position and direction.
How to Install the Belt To install a new belt, reverse the above instructions, but keep in mind the following important notes and instructions. IMPORTANT: The conveyor belt is designed to work primarily in one direction. Ensure that the painted arrow in the middle of the belt is pointing towards the rear of the MH-400 (looking down from above).
