Text preview for : Chapter_12_PTO.pdf part of Polaris Brutus HDPTO Polaris Brutus, Brutus HD, and Brutus HD PTO
Service Manual
Power Take-Off (PTO)
Back to : Chapter_12_PTO.pdf | Home
PTO
CHAPTER 12 PTO
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.2
TORQUE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.2 LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.2 DRIVE BELT REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.3 DRIVE BELT PULLEY REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.3 DRIVE BELT PULLEY INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.4 PTO GEARCASE EXPLODED VIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5 GEAR BOX REMOVAL AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.6 GEARBOX DISASSEMBLY AND ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.6
PTO GEARCASE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5
PTO CLUTCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.8
IN
AR Y
VE R
CLUTCH REMOVAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.8 CLUTCH BRAKE ADJUSTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.9
SI O
N
12
12.1
PTO DRIVE BELT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.3
PR
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
EL
IM
PTO
GENERAL INFORMATION
Torque Specifications
ITEM PTO Belt Tensioner Fasteners PTO Gearbox Pulley Set Screws PTO Gearbox Mount Bolts PTO Gearbox Case Bolts PTO Clutch Mounting Bolts PTO Shaft to Gearbox Mounting Bolt TORQUE VALUE 35 ft-lbs (47 Nm) 20 ft-lbs (27 Nm) 20 ft-lbs (27 Nm) 20 ft-lbs (27 Nm) 28 ft-lbs (38 Nm) 20 ft-lbs (27 Nm)
Lubrication
=
Recommended PTO Gearbox Lubricant: PTO Gearbox Oil (PN 2879748) (6 oz.) Capacity: 6 oz. (177 ml)
PR
12.2
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
EL
IM
IN
AR Y
VE R
SI O
N
PTO
PTO DRIVE BELT
Drive Belt Removal
1. Using a 3/8 drive ratchet, rotate the automatic tensioner (Item 1) counter clockwise to relieve belt tension and remove the belt (Item 2).
Drive Belt Pulley Removal
1. Remove the PTO drive belt.
SI O
2
2
2. Remove the belt (Item 3) from the pulley and pull through the bell housing opening.
AR Y
VE R
3 5
1
2. Loosen the set screws (Item 3) and remove the pulley (Item 4).
IN
N
1 4
12
3. Remove the bolt (Item 5) and tensioner (Item 6).
PR
EL
IM
3
6
12.3
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
PTO
4. Remove the bolt (Item 7) and pulley (Item 8). 3. Install the PTO gearcase pulley. The key way stock (Item 11) should be flush with the surface of the pulley when properly installed. Use a straight edge to align the pulley face with the rear pulley face on the engine. Torque set screws to specification.
7
8
Drive Belt Pulley Installation
1. Insert the peg (Item 9) on the tensioner into the hole (Item 10) located on the casting.
2. Install the pulley fasteners and torque to specification.
PR
12.4
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
EL
PTO Belt Tensioner Fasteners: 35 ft-lbs (47 Nm)
IM
=T
IN
AR Y
10
9
NOTE: Installation without proper pulley alignment could result in premature belt wear and possible belt squeal. 4. Reinstall the belt.
VE R
11
PTO Gearcase Pulley Set Screws: 20 ft-lbs (27 Nm)
SI O
=T
N
PTO
PTO GEARCASE
PTO Gearcase Exploded View
1. Seal 2. Bearing Race 3. Bearing 4. Plug 5. Lower Housing 6. Seal 7. Clip 8. Shaft 9. Key 10. Gear 11. Gear / Shaft Assembly 12 Upper Housing 13. Bolt
VE R
6 2
7
AR Y
3 10
SI O
4 13 12 11 4 3 2 9 9
IN
N
12
3 2 5 4 8 1
PR
EL
7 3 6
IM
2
12.5
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
PTO
Gear Box Removal and Installation
1. Using a 3/8 drive ratchet, rotate the automatic tensioner (Item 1) counter clockwise to relieve belt tension and remove the belt (Item 2).
Gearbox Disassembly and Assembly
1. Remove the bolts (Item 1) retaining the cover and remove the cover.
1
1 2
VE R
2. Remove the shaft assembly (Item 2) and seal (Item 3). 2. Remove the drive pulley. 3. Remove the PTO shaft bolts (Item 3).
4
4
AR Y
IM
IN
3
3. Remove the clip (Item 4).
4. Remove the mounting bolts (Item 4) and the PTO gearbox.
EL
PR
5. To install, reverse procedure. Tighten the bolts to specification.
=T
PTO Gear Box Mounting Bolts: 20 ft-lbs (27 Nm)
12.6
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
SI O
1 3 2 4
N
PTO
4. Remove the gear (Item 5). 7. Place the shaft in a press and remove the bearing (Item 9). 8. Remove the shaft assembly (Item 10), bearing race (Item 11) and seal (Item 12). 12 11
5
10
5. Place the shaft in a press and remove the bearing (Item 6) and race (Item 7).
7
AR Y
VE R
NOTE: The bearing races will slide off the bearings as soon as the shaft assembly is removed from the housing. 9. Remove the clip (Item 13).
6
IN
SI O
13
N
12
12.7
EL PR
8
IM
9
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
6. Remove the clip (Item 8).
PTO
10. Remove the seal (Item 14).
PTO CLUTCH
Clutch Removal
1. Note the orientation of the clutch harness for proper installation. 14 2. Disconnect the clutch harness (Item 1) from the vehicle harness.
11. Place the shaft assembly in a press and remove the bearing. 12. Rotate the shaft and remove the bearing (Item 17) from the opposite end.
1
IM
IN
AR Y
=T
PTO Gearbox Case Bolts 20 ft-lbs (27 Nm)
3. Remove the bolts (Item 2) from the PTO shaft and position the shaft off to the side.
EL
13. For assembly, reverse the procedure. Tighten the gearbox bolts to specification.
PR
NOTE: The following two figures are shown with the engine removed for photo clarity.
12.8
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
VE R
1 2
SI O
N
PTO
4. Remove the bolt (Item 3) and washer (Item 4).
Clutch Brake Adjusting
1. Remove the passenger seat and storage container.
4
2. Remove the three bolts (Item 1).
1
SI O
5. Install a puller (Item 5) and remove the clutch from the gear box.
AR Y
VE R
4
3. Remove the bolts (Item 1).
5
IN
N
2 3
3
12
6. To install, reverse procedure. Torque fasteners to specification.
IM
=T
EL PR
NOTE: The PTO clutch is removed for photo clarity. 4. Insert a feeler gauge (Item 3) 0.3" (8 mm) into the edge of the clutch pack and measure the clearance. Measure in three places (between the three adjusting nuts) to determine if the clearance is the same for all three areas on the clutch pack. 5. The correct clearance is 0.014" (0.35 mm). NOTE: An inaccurate measurement will be taken if the feeler gauge is inserted more than 0.4" (10 mm). 6. Tighten or loosen the three adjusting nuts (Item 4) until the correct clearance is a achieved evenly (at the three areas checked) on the clutch.
PTO Shaft to Gearbox Mounting Bolts: 20 ft-lbs (27 Nm) PTO Clutch Mounting Bolt: 28 ft-lbs (38 Nm)
12.9
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
PTO
NOTES
PR
12.10
9924344 - 2013 BRUTUS / HD / HDPTO Service Manual © Copyright 2013 Polaris Sales Inc.
EL
IM
IN
AR Y
VE R
SI O
N