47 and 59-Inch for 55 Series Tractors, 670 and 770 Tractors
Introduction
Safety
Preparing Vehicle
Installing
Removing
Operating
Service Safely
Service
Checking Auger Gearbox Oil Level
Checking Snowblower Gearbox Oil Level
Replacing Discharge Chute Cables
Reversing or Replacing Scraper Blade
Troubleshooting
Storing Machine
Assembly
Specifications
John Deere Service Literature
John Deere Quality Statement
Copyright© Deere & Company
Service
Service Intervals
Grease
Use grease based on the expected air temperature range during the service interval.
The following greases are preferred:
· John Deere Moly High Temperature EP Grease.
· John Deere High Temperature EP Grease.
Other greases may be used are:
· SAE Multipurpose EP Grease with 3 to 5 percent molybdenum disulfide.
· Greases meeting Military Specification MIL-G-10924C may be used as arctic grease.
Gear Oil
Use oil viscosity based on the expected air temperature range during the period between oil changes.
John Deere GL-5 Gear Lubricant is recommended.
Other oils may be used if they meet one or more of the following:
· API Service Classification GL-5.
· Military Specification MIL-L-2105D.
· Military Specification MIL-L-2105C.
· Military Specification MIL-L-2105B.
Oils meeting Military Specification MIL-L-10324A may be used as arctic oils.
Lubricating Worm Gear Shaft
4. Lubricate point (A) with John Deere Moly High Temperature EP Grease or equivalent.
Lubricating Driveline
4. Lubricate points (A) with John Deere Moly High Temperature EP Grease or equivalent.
Lubricating Auger Shaft
Lubricate points (A) with John Deere Moly High Temperature EP Grease or equivalent until it comes out of auger shafts (B) at gearbox.
Service Snowblower Safely
c CAUTION: Avoid injury! DO NOT work on snowblower while it is being operated.
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2. Put PTO lever in OFF position.
4. Lower snowblower to ground.
7. Wait until auger and blower have stopped before you service snowblower.
Checking Auger Gearbox Oil Level
1. Park tractor on level surface.
2. STOP snowblower and engine.
3. Lower snowblower to ground.
6. Oil should be level with checkplug hole.
IMPORTANT: Avoid damage! Vent in fill plug (B) must be open or pressure will build in gearbox and cause gearbox to leak. Clean fill plug with solvent, if necessary. |
7. If oil is low, remove fill plug.
8. Add gear oil specified in this section.
9. Install and tighten fill plug and check plug.
Checking Snowblower Gearbox Oil Level
1. Park tractor on level surface.
2. STOP snowblower and engine.
3. Lower snowblower to ground.
6. Use bent wire to check oil level in gearbox. Oil should be 19 mm (3/4 in.) below hole (A).
7. If oil is low, add oil (See this section.)
8. Install and tighten check plug.
Replacing Shear Bolts
NOTE: A shear bolt (A) is installed in each end of auger. The shear bolts will break when snowblower hits a solid object. This protects drive system from damage.
1. If you hit a solid object, STOP snowblower immediately.
6. Find and correct cause for shearing.
7. Install new shear bolts. Use one of shear bolts (A) stored in rear housing.
Replacing Discharge Chute Cables
2. Turn chute 100° to left using SCV lever. Hydraulic cylinder should be completely retracted.
3. Stop engine. Lower snowblower. Lock park brake.
4. Remove two nuts, washers, and cable shield.
6. Disconnect cable ends from chute.
7. Remove nut (A), bolt and washers (B).
8. Remove cable ends (C) and (D) from pulleys. Remove cable assembly.
9. Install new cable so longer cable end (C) is to left and shorter cable end (D) is to right.
10. Install bolt and washers (B) in cable assembly eyelet.
11. Install and tighten nut (A).
Routing Chute Cables
1. Move chute so tab (A) on chute is in line with edge of cap screw (B). Chute opening will be to the left.l
3. Use locking pliers to pull cable tight.
· Around bottom center pulley.
6. Use locking pliers to pull cable tight.
Installing Cable Shield
1. Make sure two flat washers are on cable shield bolts.
2. Install cable shield, two washers, and nuts.
Reversing or Replacing Scraper Blade
NOTE: When edge of blade (A) becomes worn, rough, or bent, reverse blade. If both edges of blade are worn, rough, or bent, replace blade.
1. Raise snowblower. Put blocks under auger housing to prevent snowblower from falling.