Case 320 Tractor Loader Backhoe Service Manual

1. Utangulizi

This service manual provides detailed information for the maintenance, repair, and troubleshooting of the Case 320 Tractor Loader Backhoe (TLB). It is intended for qualified service personnel and technicians. Adherence to the procedures outlined in this manual is crucial for ensuring the safe and efficient operation and longevity of the equipment.

The manual is organized into sections covering various aspects of the TLB, including safety, component descriptions, preventative maintenance schedules, diagnostic procedures, and technical specifications. Always refer to the latest version of this manual for the most accurate information.

2. Taarifa za Usalama

Safety is paramount when working with heavy machinery. Always observe the following general safety precautions to prevent injury to personnel or damage to the equipment.

Soma na Uelewe: Before performing any service or maintenance, thoroughly read and understand all instructions and warnings in this manual and on the machine itself.
Vifaa vya Kinga vya Kibinafsi (PPE): Always wear appropriate PPE, including safety glasses, gloves, hard hat, and steel-toed boots.
Kufungwa /Tagnje: Ensure the machine is properly shut down, parked on level ground, and all attachments are lowered. Disconnect the battery and apply lockout/tagout procedures before working on electrical systems or moving parts.
Shinikizo la Hydraulic: Relieve all hydraulic pressure before disconnecting hydraulic lines or components. Hydraulic fluid under pressure can cause severe injury.
Hot Surfaces/Fluids: Be aware of hot engine components, exhaust systems, and fluids (oil, coolant) which can cause burns. Allow the machine to cool before servicing.
Zana Sahihi: Use only the correct tools for the job. Ensure tools are in good condition.
Usafi: Keep the work area clean and free of clutter. Spills can lead to slips and falls.

3. Sehemu juuview

The Case 320 TLB is comprised of several key systems working in conjunction. Understanding the basic function and location of these components is essential for effective servicing.

Cover of a J.I. Case Service Manual for various tractor, crawler, forklift, and TLB models, including 210B, 310, 430, and 530 series.

Figure 3.1: Representative cover of a J.I. Case Service Manual. While this specific cover details models such as 210B, 310, 430, and 530 series, it illustrates the typical format and appearance of service documentation for Case heavy equipment. This manual provides comprehensive service information for the Case 320 Tractor Loader Backhoe.

Mfumo wa Injini: Powers the machine and its hydraulic systems. Includes fuel, cooling, lubrication, and exhaust sub-systems.
Mfumo wa Hydraulic: Provides power for the loader, backhoe, steering, and other hydraulic functions. Consists of pumps, valves, cylinders, and reservoirs.
Drivetrain: Transmits power from the engine to the wheels, including the transmission, axles, and differential.
Loader Assembly: Front-mounted attachment for digging, lifting, and carrying materials.
Backhoe Assembly: Rear-mounted attachment for excavation and trenching.
Mfumo wa Umeme: Controls engine starting, lighting, instrumentation, and various electronic components.

4. Matengenezo ya Kuzuia

Regular preventative maintenance is critical for the reliable operation and extended lifespan of your Case 320 TLB. Follow the recommended service intervals and procedures.

4.1 Daily Checks (Before Operation)

Angalia kiwango cha mafuta ya injini.
Inspect coolant level.
Verify hydraulic fluid level.
Angalia shinikizo la tairi na hali.
Inspect all hoses and lines for leaks or damage.
Test all lights, gauges, and safety devices.
Clean windows and mirrors.

4.2 Scheduled Maintenance (Every 250 Hours / Monthly)

Badilisha mafuta ya injini na chujio.
Inspect air filter elements.
Lubricate all grease points on loader and backhoe linkages.
Check battery electrolyte level and terminals.
Inspect fan belt tension and condition.

4.3 Scheduled Maintenance (Every 500 Hours / Quarterly)

Replace fuel filters.
Change hydraulic filter.
Inspect and adjust brake pedal free play.
Check transmission fluid level and condition.

Refer to the detailed maintenance schedule within the full service manual for comprehensive instructions and additional intervals.

5. Troubleshooting & Diagnostics

This section provides a guide to common issues that may arise with the Case 320 TLB and outlines basic diagnostic steps. For complex problems, consult a qualified technician or the detailed diagnostic charts in the complete service manual.

Dalili	Sababu inayowezekana	Kitendo cha Kurekebisha
Injini Imeshindwa Kuanza	Low battery charge, fuel system issue, starter motor fault.	Check battery connections and charge, verify fuel supply, inspect starter.
Loss of Hydraulic Power	Low hydraulic fluid, clogged filter, faulty pump, relief valve issue.	Check fluid level, replace filter, inspect pump/valves.
Overheating Engine	Low coolant, clogged radiator, faulty thermostat, fan belt issue.	Check coolant, clean radiator, test thermostat, inspect fan belt.
Utendaji duni wa Braking	Worn brake pads, air in hydraulic lines, low brake fluid.	Inspect pads, bleed brake system, check fluid level.

6. Maelezo ya kiufundi

The following are general technical specifications for the Case 320 Tractor Loader Backhoe. Specific values may vary based on configuration and year of manufacture. Always refer to the machine's data plate for precise information.

Aina ya Injini: Diesel, 4-cylinder (Specific model details in full manual)
Uzito wa Uendeshaji: Approximately 14,000 - 16,000 lbs (6,350 - 7,250 kg)
Loader Bucket Capacity: 0.75 - 1.0 cu yd (0.57 - 0.76 cu m)
Backhoe Digging Depth: Futi 14 - 16 (m 4.2 - 4.8)
Uwezo wa Tangi ya Mafuta: Approximately 30 - 40 US gallons (113 - 151 liters)
Hydraulic System Capacity: Approximately 20 - 25 US gallons (75 - 95 liters)

7. Support & Ordering Information

For additional support, genuine replacement parts, or to order supplementary manuals, please contact the publisher or an authorized Case dealer.

This manual is published by Jensales. When ordering parts, always provide the full model number and serial number of your Case 320 TLB to ensure compatibility.

Note: This document is a general guide. For comprehensive repair procedures, detailed schematics, and specific part numbers, refer to the complete official Case 320 Service Manual.

	Mwongozo wa Mendeshaji wa Kesi ya 580E na 580S ya Ujenzi wa King Loader Backhoe \| Kesi ya JI Mwongozo kamili wa mwendeshaji wa CASE 580E na 580S Construction King Loader Backhoe. Inashughulikia usalama, uendeshaji, matengenezo, na vipimo. Imetolewa na JI Case.
	Mwongozo wa Huduma ya Backhoe ya Kesi 580 Super E Loader Mwongozo kamili wa huduma kwa ajili ya Case 580 Super E Loader Backhoe, unaohusu matengenezo, utatuzi wa matatizo, na vipimo vya mifumo yote mikubwa ikiwa ni pamoja na injini, mafuta, umeme, breki, majimaji, na treni ya umeme.
	Kisu cha Dozer cha Kichimbaji cha CX80C - Vipimo na Utendaji Vipimo vya kina, data ya utendaji, na uwezo wa kuinua kwa Kichimbaji cha CASE CX80C chenye Dozer Blade, Kilichoidhinishwa kwa Mwisho wa Tier 4. Kinajumuisha injini, mfumo wa kuendesha, majimaji, mazingira ya mwendeshaji, vipimo, na maelezo ya vifaa.
	Kichimbaji cha Hydraulic cha CASE CX80: Vipimo na Sifa Gundua mashine ya kuchimba maji ya CASE CX80, mashine yenye nguvu na inayoweza kutumika kwa ajili ya ujenzi na kazi mbalimbali za eneo. Hati hii inaelezea injini yake, mfumo wa majimaji, starehe ya teksi, sehemu ya chini ya gari, viambatisho, data ya utendaji, vipimo, na vifaa vya kawaida/vya hiari.
	CASE 621D/XT/XR Articulated Wheel Loader Specifications and Data Detailed specifications, dimensions, performance data, and equipment information for the CASE 621D, 621XT, and 621XR articulated wheel loaders.
	Case TV450B Compact Track Loader - Daraja la 4 Vipimo vya Mwisho Ufafanuzi wa kina wa Kipakiaji cha Wimbo cha CASE TV450B, ikijumuisha injini, mafunzo ya kuendesha gari, majimaji, vipimo, uwezo na data ya utendaji. Hatua ya 4 ya Mwisho imethibitishwa.

Kesi ya 320