7 clearing plugged rotor, 8 replacing rotor bearings, Warning – Echo CH911DH Owners Manual v.6 User Manual
Page 20: Caution
![background image](/manuals/553254/20/background.png)
9 INCH CHIPPER
16
SERVICE & MAINTENANCE
BEFORE INSPECTINg OR SERVICINg ANy PART OF THIS MACHINE, SHuT OFF POWER SOuRCE,
AND MAKE SuRE All MOVINg PARTS HAVE COME TO A COMPlETE STOP.
WaRNING
5.7 CLEaRING pLuGGED RoToR
Stop engine and wait for all moving parts to stop.
1.
Remove bolts and lift rotor access cover.
2.
Remove the lock pin from storage position (see Figure
3.
5.3)
Turn check valve clockwise to engage the pump.
4.
Pump the handle to raise the feed roller until the lock pin
5.
position aligns with one of the support bracket holes.
Secure the position by putting the lock pin through the
6.
support bracket and lock pin position.
Clean the debris out of the feed roller housing. Turn the
7.
rotor by hand to be sure it is free to rotate.
Remove lock pin and put it back into its storage
8.
position.
LEavING THE LoCK pIN IN aNY oTHER
poSITIoN maY INTERFERE WITH FEED RoLLER
opERaTIoN.
Turn the check valve counterclockwise to disengage
9.
the pump and lower the jack.
Close rotor access cover and secure with bolts.
10.
Depress belt engagement pedal, start engine, and
11.
resume operation.
WaRNING
If the machine becomes plugged, shut off engine and
allow the machine to come to a complete stop before
cleaning debris.
FEED
ROLLER
JACK
CHECK
VALVE
LOCK PIN
STORAGE
POSITION
SUPPORT
BRACKET
LOCK PIN
POSITION
Figure 5.3, Feed roller jack
5.8 REpLaCING RoToR bEaRINGS
Remove the two retaining bolts holding the access
1.
cover to main frame assembly. Tilt access cover over
to allow rotor access.
Remove large belt guard.
2.
loosen bolts on hydraulic pump and remove hydraulic
3.
pump belt.
Take the tension off the drive belt by depressing the belt
4.
engagement pedal. Then, remove the drive belt from
pulleys. using the push bolts from the bushing, remove
the bushing and pulley from the rotor shaft.
Remove the four 1/2" bolts on each rotor bearing and
5.
take off the sensor bracket.
using an overhead hoist or lifting device, lift the rotor
6.
assembly completely out of the frame. The complete
rotor assembly is 275 lbs.
Once the rotor assembly is out of the frame, remove
7.
both collars and bearings. Place new bearings on rotor
shaft. Reinstall front collar onto shaft.
use the overhead hoist or lifting device to return the
8.
complete rotor assembly to the chipper frame.
Slide rotor back until the front collar is tight against the
9.
front bearing. Attach the front bearing to the frame with
four 1/2" bolts. Tighten bolts to 75 ft-lbs. Check and
adjust chipper anvil if needed. Bolt the rear bearing to
chipper frame. Reattach sensor bracket to rear bearing
using a top bearing bolt.
Slide rear collar on shaft against rear bearing. Make
10.
sure the collar bolt lines up with the sensor. Slide
bushing onto shaft with flange against collar and
lock bushing to shaft. Attach large pulley to bushing.
Replace drive belts on pulleys.
Check pulley alignment with a straight edge and adjust
11.
engine if needed. Check belt tension. Belt deflection
at the center of the belt should be 7/16" when a 20 lb.
load is placed against the belt (Figure 5.5).
Replace hydraulic pump belt. Readjust hydraulic
12.
pump belt tension by sliding the hydraulic pump in the
mounting slots. Tighten bolts.
Replace belt guard and resume operation.
13.
Depress belt engagement pedal, start engine, engage
14.
drive belt, and test unit. Readjust pulleys and belt
tension if needed.
CauTIoN
Failure to maintain proper fastening torque on bolts
may result in damage to the chipper and/or personal
injury!
- PAS ARTICULATING HEDGE CLIPPER ATTACHMENT PAS-2601
- 670-200
- PE-2000 Type 1/1E
- X7502026001
- SB
- PAS RAPID LOADER 99944200610
- 99944200610
- SRM-261SB
- SRM-210SB
- PAS-230
- PAS-230
- PAS-230
- PAS-260
- PAS-261
- 2410 - Type 2E
- GT-201
- POWER PRUNER PPT-2400
- HC-155
- HC-155
- Trimmer
- SRM - 265U
- HC-150
- HC-235
- HC-225
- BLADE CONVERSION KIT 231
- TC-2100
- SRM-400
- SRM - 260S
- 54
- HCA-2400
- CULTIVATOR PRO ATTACHMENT 99944200513
- RM-5000
- SRM-265T
- SHC-210
- 2110
- PE-3100 Type 1/1E
- SRM-265S
- SRM - 230U
- SRM-225I
- 99944200553
- 99944200553
- BRUSHCUTTER
- PAS RAPID LOADER 99944200615
- 99944200615
- 99944200485
- 99944200485
- SHAFT HEDGE CLIPPER HCA-265
- TRIMMER ATTACHMENT PAS-230
- TC-2100 Type 1
- HC-185
- HC-165
- SRM-210i
- SHC-260
- SRM-225SB
- SRM-211
- GT-251E
- SRM-280S
- HC-245
- HC-2410
- SRM-3800 TYPE1-E
- GT-2000
- SRM - 410U
- SRM - 410U
- GT-2000R
- GRASS/WEED TRIMMER BRUSHCUTTER and CLEARING SAW
- TC-210
- HC-1500 Type 1E
- SRM-265
- SRM230
- GT-2000EZR
- HCA-265
- SRM-260
- Power Blend TC-210
- CULTIVATOR TC-210I
- SHC-225 Serial S85312002871 - S85312999999
- GT-230
- GT-230
- SHC-265
- SRM-280T
- GT-200 R
- SRM-2305
- 99944200540
- 99944200540
- SRM - 230S
- SRM - 230S
- HC-150I
- SRM-2400SB EN
- PAS-2601 EN
- ES-2100
- CLS-5800
- PAS-225
- BRD-280 Serial S70711001001 - S70711002517
- BRD-280 Serial S70711002518 - S70711999999
- PB-760LN
- PB-755SH
- PB-265LN
- PB-255LN
- PB-250LN
- SRM-280U Serial S67511001001 - S67511006177
- SRM-280U Serial S67511006178 - S67511007612
- SRM-280U Serial S67511007613 - S67511999999
- SRM-266U
- SRM-225U Serial S79111001030 - S79111999999
- SRM-225U Serial S79111001001 - S79111001029
- SC3342
- 71110
- 70487
- 70252 v.1
- LS27
- CHF9540HXE
- CHF9540H Owners Manual v.6
- CHF9540H Owners Manual v.5
- CHF9540H Owners Manual v.4
- CHF9540H Owners Manual v.3
- CHF9540H Owners Manual v.2
- CHF9540H Owners Manual v.1
- CHF9540H Instruction v.4
- CHF9540H Instruction v.3
- CHF9540H Instruction v.2
- CHF9540H Instruction v.1
- CH9540H Owners Manual v.1
- CH9540H Instruction v.7
- CH9540H Instruction v.5
- CH9540H Instruction v.1
- CH922DH Owners Manual v.7
- CH922DH Owners Manual v.5
- CH922DH Owners Manual v.4
- CH922DH Owners Manual v.3
- CH922DH Owners Manual v.2
- CH922DH Owners Manual v.1
- CH922DH Instruction v.8
- CH922DH Instruction v.5
- CH922DH Instruction v.4
- CH922DH Instruction v.2
- CH8993H Owners Manual v.7
- CH8993H Owners Manual v.6
- CH8993H Owners Manual v.5
- CH8993H Owners Manual v.4
- CH8993H Owners Manual v.3
- CH8993H Owners Manual v.2
- CH8993H Owners Manual v.1
- CH8993H Instruction v.6
- CH8993H Instruction v.5
- CH8993H Instruction v.3
- CH8993H Instruction v.2
- CH8720iH Owners Manual v.2
- CH8720iH Owners Manual v.1
- CH8670HXE
- CH800H Owners Manual v.3
- CH800H Owners Manual v.2
- CH800H Owners Manual v.1
- CH6993H Owners Manual v.4
- CH6993H Owners Manual v.3
- CH6993H Owners Manual v.2
- CH6993H Owners Manual v.1
- CH6993H Instruction v.7
- CH6993H Instruction v.5
- CH6993H Instruction v.4
- CH6730HXE Instruction v.2
- CH6730H Instruction v.2
- CH6720H Instruction v.2
- CH6614H Owners Manual v.4
- CH6614H Owners Manual v.3
- CH6614H Owners Manual v.2
- CH6614H Owners Manual v.1
- CH611DH Owners Manual v.6
- CH611DH Owners Manual v.5
- CH5653 Owners Manual v.2
- CH5653 Owners Manual v.1
- CH5540H Owners Manual v.4
- CH5540H Owners Manual v.3
- CH5540H Owners Manual v.2
- CH5540H Owners Manual v.1
- CH5540H Instruction v.2
- CH5540 Owners Manual v.2
- CH5540 Owners Manual v.1
- CH4614 Owners Manual v.2
- CH4614 Owners Manual v.1
- CH45540 Owners Manual v.5
- CH45540 Owners Manual v.4
- CH45540 Owners Manual v.3
- CH45540 Owners Manual v.2
- CH45540 Owners Manual v.1
- CH45540 Instruction v.4
- CH45540 Instruction v.2
- CH450H Owners Manual v.2
- CH450H Owners Manual v.1
- CH4400 Owners Manual v.2
- CH4400 Owners Manual v.1
- CH4400 Instruction v.2
- CH123DH Owners Manual v.2
- CH123DH Owners Manual v.1
- CH123DH Instruction v.2
- CH123DH Instruction v.1
- 7812086 Owners Manual v.3
- 7812086 Owners Manual v.2
- 77454 Owners Manual v.5
- 77454 Owners Manual v.4
- 77454 Owners Manual v.3
- 77454 Owners Manual v.1
- 76835 Owners Manual v.1
- 76824 Owners Manual v.1
- 76635 Owners Manual v.3
- 76635 Owners Manual v.2
- 76635 Owners Manual v.1
- 76628S
- 74824 Owners Manual v.3
- 74824 Owners Manual v.2
- 74824 Owners Manual v.1
- 74800 Owners Manual v.4
- 74800 Owners Manual v.2
- 74800 Owners Manual v.1
- 74628S Owners Manual v.2
- 74628S Owners Manual v.1
- 74628 Owners Manual v.2
- 74628 Owners Manual v.1
- 74628 Instruction v.2
- 74554 Owners Manual v.3
- 74554 Owners Manual v.2
- 74554 Owners Manual v.1
- 73454 Owners Manual v.3
- 73454 Owners Manual v.2
- 72942 Owners Manual v.4
- 72942 Owners Manual v.2
- 72928S
- 72928 Owners Manual v.6
- 72928 Owners Manual v.5
- 72825 Owners Manual v.4
- DSRM-200
- PE-280 Serial S63111001001 - S63111006135
- PE-280 Serial S63111006136 - S63111999999
- PE-266S
- PE-230 Serial 03001001 - 03999999
- PE-230 Serial 05011201 - 05999999
- PE-230 Serial 05001001 - 05011200
- PE-230 Serial 06001001 - 06999999
- PE-230 Serial S68311001001 - S68311999999
- PE-225 Serial S78611002140 - S78611999999
- PE-225 Serial S78611001001 - S78611002139
- HC-152
- SHC-225 Serial S85312001001 - S85312002870
- SHC-266
- HCA-266
- 99944200563
- 99944200620
- 99944200535
- 99944200595
- 99944200513
- 99944200470
- 99944200470
- 99944200600
- 99944200465
- PAS-225VPB
- PAS-225VP
- PAS-225VP
- PAS-225SB
- PAS-280
- PAS-266
- PPT-280 Serial E08011002238 - E08011999999
- PPT-280 Serial E08011001001 - E08011002237
- PPT-266
- ES-255
- ES-250
- TC-210 Serial 05001001 - 05999999
- TC-210 Serial E13912001001 - E13912999999
- MS-53BPE
- MS-41BP
- MS-21H
- SRM-280T Serial S66711001001 - S66711008029
- SRM-280T Serial S66711008030 - S66711011609
- SRM-280T Serial S66711011610 - S66711999999
- SRM-266T
- GT-225i
- GT-225i
- DL8390 Owners Manual v.4
- DL8390 Owners Manual v.3
- DL8390 Owners Manual v.2
- DL8390 Owners Manual v.1
- DL8390 Instruction v.2
- DL8390 Instruction v.1
- DL12725 Instruction v.2
- DL12720 Owners Manual v.2
- DL12720 Owners Manual v.1
- DL12720 Instruction v.3
- 75124
- 73725
- 73724
- LS33340T Owners Manual v.5
- LS33340T Owners Manual v.4
- LS33340T Owners Manual v.3
- LS33340T Owners Manual v.2
- LS33340T Owners Manual v.1
- LS33340T Instruction v.2
- LS33340T Instruction v.1
- LS33340 Instruction v.8
- LS33340 Instruction v.7
- LS27 Owners Manual v.2
- LS27 Owners Manual v.1
- LS27 Instruction v.11
- LS27 Instruction v.8
- LS27 Instruction v.5
- LS27 Instruction v.3
- SG340 Owners Manual v.4
- SG340 Instruction v.2
- SG340 Instruction v.1
- SG340 Instruction v.3
- 73711S Owners Manual
- WT24T Owners Manual
- WT24T Instruction v.2
- WT24T Instruction v.1
- WT24 Owners Manual
- WT24 Instruction v.2
- WT190T Owners Manual v.4
- WT190T Owners Manual v.3
- WT190T Owners Manual v.2
- WT190T Owners Manual v.1
- WT190T Instruction v.2
- WT190T Instruction v.1
- WT189 Owners Manual
- 76065 Owners Manual v.2
- 76065 Owners Manual v.1
- 74455S
- 74455 Owners Manual v.3
- 74455 Owners Manual v.2
- 74455 Owners Manual v.1
- PAS 80 Tooth Blade Brushcutter
- PAS Rapid Loader
- PAS Articulating Hedge Clipper Attachment 99944200590
- GT-225
- SRM-210
- SRM-225
- SRM-225