Service


· 10 Hours	· Grease caster wheels.
· Yearly	· Grease countershaft. · Grease worm gear. · Spray chain with chain lube spray. · Grease discharge chute.

Service Record


DATE	SERVICE PERFORMED

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.

· John Deere GREASE-GARD.

Other greases may be used are:

· SAE Multipurpose EP Grease with 3 to 5 percent molybdenum disulfide.

· SAE Multipurpose EP Grease.

MIF

· Greases meeting Military Specification MIL-G-10924C may be used as arctic grease.

Lubricating Caster Wheels

M62634

Grease caster wheels (A) with John Deere Moly High Temperature EP Grease or an equivalent.

Lubricating Countershaft

M62631

Grease countershaft (A) with John Deere Moly High Temperature EP Grease or an equivalent.

Lubricating Worm Gear and Discharge Chute

M62632

1. Grease worm gear (A) and discharge chute (B) with John Deere Moly High Temperature EP Grease or equivalent.

2. Grease oil tension block with John Deere Moly High Temperature EP Grease or equivalent.

Lubricating Drive Chain

M62633

1. Remove bolts (B) to remove chain shield (A).

M61393

2. Spray chain (C) with John Deere TY6240 chain lube spray or equivalent.

3. Install shield.

Adjusting Chain

M62633

1. Remove bolts (B) to remove shield (A).

M61395

2. Chain deflection (C) 3-6 mm (1/8-1/4-in.)

3. To adjust chain deflection:

M62635

· Loosen bolts (D).

· Loosen nut (E).

· Turn bolt (F) until deflection is correct.

· Tighten bolts (D) and nut (E).

· Install shield.

Reversing or Replacing Scraper Blade

M61397

Reverse blade (A) when edge is rough or worn. Replace blade if it is bent.

1. Remove bolts (B).

2. Reverse or replace blade.

3. Fasten blade with eight bolts.

Adjusting Worm Gear

M62636

1. Loosen nuts (A) on two mounting bolts.

2. Position worm gear so grooves on gear mesh with teeth on discharge spout.

NOTE: Spout should rotate FREELY when turning crank handle.

3. Tighten nuts.

NOTE: If snowthrower spout starts rotating on its own while blowing snow, turn nut under black tension block up to adjust tension.

Replacing Drive Belt

c CAUTION: Avoid injury!

·

Front Mower engine MUST be OFF before installing new belt.

Snowthrower MUST be in DOWN position (NOT RAISED).

M62637

1. Remove snowthrower from tractor. (See Removing Snowthrower in Removing section.)

2. Loosen nut (B) to loosen belt guide (A).

3. Remove belt from lift idler (C).

4. Install new belt:

M62866

· Loosen idler mounting bolt and lock nut (D).

NOTE: Refer to belt installation decal at right or decal located on snowthrower shell for proper belt routing.

M62617

· Put new belt between idler and belt guide below idler.

· Tighten idler mounting bolt after routing belt.

M62866

· Pull belt idler arm (E) forward and remove drilled pin and spring locking pin (F).

· Slowly release arm so idler swings downward.