John Deere la105 - Manual (Page 34)

Service Mower - 33
SERVICE MOWER
MX7681a
Picture Note: 107 cm (42 in.) mower deck only.
a.Route cable under mower belt and brake rod and attach cable spring
(J) to idler sheave bracket (K).
b.Pull out on cable (L), align black end of cable with slot in bracket (M)
and release cable into slot. Secure with spring locking pin (N).
11. Level mower deck.
Replacing Mower Drive Belt (107 cm (42 in.) Mower
Deck)
1. Park machine safely. (See Parking Safely in the SAFETY section.)
2. Remove mower deck.
3. Remove drive belt:
MX25906
a.Remove three capscrews and belt shield (A).
b.Remove two capscrews and belt shield (B).
c.Loosen sheaves (C).
d.Remove mower belt.
4. Inspect belt for wear or damage; replace as necessary.
5. Clean top surface of mower deck and sheaves.
6. Install belt on mower deck as shown. Make sure belt is in the groove of
each sheave.
7. Tighten sheaves to 47 N•m (35 lb-ft).
8. Install belt shields.
9. Install mower deck.
10. Adjust mower belt tension and spindle brakes, if necessary.
Replacing Mower Drive Belt
(122 cm (48 in.) and 137 cm (54 in.) Mower Decks)
1. Park machine safely. (See Parking Safely in SAFETY section.)
2. Remove mower deck.
MX25907
Picture Note: 122 cm (48 in.) mower deck shown.
3. Remove five capscrews and left and right belt shields (A).
4. Remove drive belt.
a.Loosen left side sheaves (B) and (C).
b.Remove mower belt.
5. Inspect belt for wear or damage; replace as necessary.
6. Clean top surface of mower deck and sheaves.
7. Install belt on mower deck as shown. Make sure belt is in the groove of
each sheave.
8. Tighten sheaves to 47 N•m (35 lb-ft).
9. Install belt shields.
10. Install mower deck.
Adjusting Mower Belt Tension (107 cm (42 in.) Mower
Deck)
1. Park machine safely. (See Parking Safely in the SAFETY section.)
2. Move mower engagement (PTO) lever or switch to OFF position.
K
N
L
M
J
A
B
C
A
B
C