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DAILY
1. Visually check for loose bolts or nuts.
2. Oil chain and grease tongue pivot pins liberally.
3. Grease 2" ball.
WEEKLY
1. Check for loose sprockets. Retighten if necessary.
2. Tighten main pick-up chain if necessary. Note: if tightening is necessary, the short
drive chain must be loosened first and then retightened. Also replace the chain guard.
3. Grease drive shaft bearings. Note: grease only until bearing will not accept any more.
To further pump grease into sealed bearings damages the seals.
AFTER FIRST 100 HOURS
1. Check all bolts and nuts for tightness. (If necessary use torque chart provided
below.)
2. Check ground skids for excessive wear.
3. Check 2" ball and coupler for excessive wear.
4. Check idler sprockets for damaged bearings.
Thread UNC and UNF
BOLT SIZE
Inches
mm
¼
6.25
5/16
7.94
3/8
9.53
7/16
11.11
½
12.70
9/16
14.29
5/8
15.88
¾
19.05
7/8
22.23
1
25.40
1-1/8
25.58
1-1/4
31.75
1-3/8
34.93
1-1/2
38.10
* Thick nuts must be used with grade 8 bolts.
Note: Chain oil is usually a 50/50 mixture of oil and diesel.
MAINTENANCE
TORQUE CHART
Torque Specification Table
Grade 2
TORQUE
Pound Feet
Min
Max
5
6
10
12
20
23
30
35
45
52
65
75
95
105
150
185
160
200
250
300
-
-
-
-
-
-
-
-
Page 5
Grade 5
TORQUE
Pound Feet
Min
Max
9
11
17
20.5
35
42
54
64
80
96
110
132
150
180
270
324
400
480
580
696
800
880
1120
1240
1460
1680
1940
2200
Grade 8*
TORQUE
Pound Feet
Min
Max
12
15
24
29
45
54
70
84
110
132
160
192
220
264
380
456
600
720
900
1080
1280
1440
1820
2000
2380
2720
3160
3560
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