Allied Systems LONG REACH CCHA Panduan Pemeliharaan dan Servis Instalasi - Halaman 19

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6.1 Schedule

Daily Maintenance:

1. Check level of hydraulic oil in the truck reservoir

and add oil if necessary.

2. Visually inspect all hoses and fittings for wear or

damage. Inspect for signs of hydraulic leaks.

3. Visually inspect for external damage or cracks.

4. Inspect lower hooks for proper clearance. Maximum

clearance is 3/32 of an inch.

Weekly 40 Hour Maintenance:

1. Inspect all hoses and fittings for wear or damage.

Inspect for hydraulic leaks.

2. Check for loose or missing bolts.

3. Check for foreign matter between the arm slides

and the body. Foreign matter may lead to uneven

arm movement or galling of the slides or body.

GRADE 8 COARSE THREAD

Bolt Size

Lubricated Torque

1/4"

11 ft-lbs

5/16"

3/8"

7/16"

1/2"

9/16"

140

5/8"

195

3/4"

340

7/8"

550

820

1-1/8"

1,160

1-1/4"

1,640

1-3/8"

2,150

1-1/2"

2,850

45-034, REV. 5/18

SECTION 6 MAINTENANCE SCHEDULE

GRADE 5 COARSE THREAD

Bolt Size

1/4"

7.5 ft-lbs

5/16"

3/8"

7/16"

1/2"

9/16"

5/8"

140

3/4"

240

7/8"

390

580

1-1/8"

715

1-1/4"

1,010

1-3/8"

1,330

1-1/2"

1,760

Figure 5-1, Torque Chart

4. Check that arm and slides are clean and lubricated.

Keeping the arm slides greased with a multipur-

pose, polymer fortified grease such as DuBois

Chemical MPG-2 will prevent excess wear. "Gun

barrel" grease the insides of the body sections, wipe

off excess.

500 Hour Maintenance:

1. Inspect base and lower retainer for hairline cracks or

signs of structural failure, particularly at the welds.

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.

SOCKET HEAD COARSE THREAD

Lubricated Torque

Capscrew Size

1/4"

5/16"

3/8"

7/16"

1/2"

9/16"

5/8"

3/4"

7/8"

1-1/8"

1-1/4"

1-3/8"

1-1/2"

Lubricated Torque

12.5 ft-lbs

115

160

215

385

615

920

1,305

1,840

2,415

3,205