Allied Systems SJN Panduan Pemeliharaan dan Servis Instalasi - Halaman 17
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Halaman Cetak6.1 Schedule
Daily:
1. Visually inspect all hoses, fittings, cylinders, and
valves for signs of hydraulic leaks.
2. Visually inspect for external damage or cracks.
3. Check lower hooks for proper clearance. Maximum
clearance is 3/32 of an inch.
4. If the attachment is equipped with quick change hooks
check the slide plate latch for engagement.
5. Apply grease to bronze top hooks.
40 Hour Maintenance:
1. Inspect any forks that contact the ground. The fork
blade and shank must be throughly checked for wear,
especially near the heel. If heel thickness is reduced
to 90% of the original, replace the fork.
100 Hour Maintenance:
1. Complete the above daily checks.
2. Check all hoses and fittings for wear or damage.
Inspect for hydraulic leaks.
GRADE 8 COARSE THREAD
Bolt Size
Lubricated Torque
1/4"
11 ft-lbs
5/16"
23
3/8"
40
7/16"
63
1/2"
96
9/16"
140
5/8"
195
3/4"
340
7/8"
550
1"
820
1-1/8"
1,160
1-1/4"
1,640
1-3/8"
2,150
1-1/2"
2,850
45-015, REV. 9/21
SECTION 6 MAINTENANCE
3. Check for loose or missing bolts.
200 Hour Maintenance:
1. Re-torque bronze hook bolts per chart.
6.2 Torque Specifications
The following torque values are to be used on all
fasteners unless otherwise specified.
Lubricated refers to fasteners in the "As Received"
condition, which is normally a light preservative oil
coating on unplated fasteners and no oil coating on
plated fasteners. No special steps are taken to add
further lubrication prior to assembly.
GRADE 5 COARSE THREAD
Bolt Size
Lubricated Torque
1/4"
7.5 ft-lbs
5/16"
16
3/8"
28
7/16"
45
1/2"
68
9/16"
98
5/8"
140
3/4"
240
7/8"
390
1"
580
1-1/8"
715
1-1/4"
1,010
1-3/8"
1,330
1-1/2"
1,760
Figure 6-2, Torque Specification
Grade 5
Grade 8
Socket Head Capscrew
Figure 6-1, Fastener Identification
SOCKET HEAD COARSE THREAD
Capscrew Size
Lubricated Torque
1/4"
12.5 ft-lbs
5/16"
26
3/8"
46
7/16"
74
1/2"
115
9/16"
160
5/8"
215
3/4"
385
7/8"
615
1"
920
1-1/8"
1,305
1-1/4"
1,840
1-3/8"
2,415
1-1/2"
3,205
B