Checking and Adjusting Hydraulic Pump Drive Belt Tension

Recommended Service Interval
Check Belt Tension, Adjust As necessary Annually

 

1. Open hydro module door (A) and open door (B) to access hydraulic drive belt.


A-Hydro Module Door
B-Door

N67546

OUO6043,0001487 -19-23MAY05-1/3

2. Loosen cap screws (A). Move gauge (B) to belt check position and align top of gauge slot (C) with top of belt. Tighten cap screws to hold gauge in position.

3. Verify belt deflection measures to specifications, using SERVICEGARD ™ belt tension gauge (D) (JDG950) or equivalent. Tension is correct when belt is deflected to specification and even with the bottom of gauge slot.

Specification

Hydraulic Pump Drive Belt -Deflection At Mid Span Of Belt 5.1 mm (0.2 in.)
-Force 107-120 kg (24-27 lb)


A-Cap Screws
B-Gauge
C-Top Of Gauge Slot
D-Belt Tension Gauge

N56444

Belt Tension Gauge

N57241
N57242

SERVICEGARD is a trademark of Deere & Company.

OUO6043,0001487 -19-23MAY05-2/3

4. Loosen cap screws (A).

5. Loosen jam nut (B). Turn adjusting nut (C) as necessary to achieve proper belt tension.

6. Tighten jam nut.

7. Tighten cap screws.

8. After belt tension has been checked and adjusted (if necessary), return belt gauge back to storage position and tighten cap screws.


A-Cap Screws
B-Jam Nut
C-Adjusting Nut

N56666

Some Components Removed For Photo Clarity

N56667

Some Components Removed For Photo Clarity

OUO6043,0001487 -19-23MAY05-3/3