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Sany SRT55D Off-Highway Truck. Safety, Operation and Maintenance Manual (2014) - page 8

Lubrication and Servicing

8.6.26 Maintenance inspection form for 2700hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

2700hrs.

1. For normally checking

Check leakages, loosened and damaged parts for truck.………

…………………………

Observe the cracks and welder seam for frame……………

…

2. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

3. Transmission

Clean the breather assembly for transmission and lubricates again.……

……..………

Check status about block caution lamp for filter.……………………

…….

Remark: drain, replace filter and refill after 150hrs, if transmission has been fixed.

4. Main reducer and differential assembly,planetary assembly and power take-off (PTO)

Extract lubrication sample from Main reducer and differential assembly and planetary assembly

for checking and analysis

…

Check liquid level, refill as required…………………………………………

…………………

Check and clean the breather assembly for rear shaft.………………

………………

Check and clean the breather assembly for PTO………………………

…………...…

Remark: change oil when replace new one or after fixed.

5. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil.……

Checker

Date

Remarks

8-77

Lubrication and Servicing

8.6.27 Maintenance inspection form for 2750hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

2750hrs.

1. Cummins engine

Drain, replace filter and refill………………………………

………………………..…

Check breather assembly for crankcase………………………

………………………

Fuel system

Replace fuel filter…………………………………………………………………….………………

Cooling system

Replace coolant filter………………………………………………………………………..………

Check and supplement DCA to coolant…………….…

….

2. Front brake system

Check status about disc worn to determinate replace it if required.……

……………………

3. Lubrication

Front, rear transmissions cross shafts………………….……

…

…..6 points

Front, rear transmission shafts…………………………………………

……

…..2 points

Checker

Date

Remarks

8-79

Lubrication and Servicing

8.6.28 Maintenance inspection form for 2850hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

2850hrs.

1. For normally checking

Check leakages, loosened and damaged parts for truck.………

…………………………

Observe the cracks and welder seam for frame……………

…

2. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

3. Transmission

Clean the breather assembly for transmission and lubricates again.……

……..………

Check status about block caution lamp for filter.……………………

…….

Remark: drain, replace filter and refill after 150hrs, if transmission has been fixed.

4. Main reducer and differential assembly,planetary assembly and power take-off (PTO)

Extract lubrication sample from Main reducer and differential assembly and planetary assembly

for checking and analysis

Check liquid level, refill as required…………………………………………

…………………

Check and clean the breather assembly for rear shaft.………………

………………

Check and clean the breather assembly for PTO………………………

…………...…

Remark: change oil when replace new one or after fixed.

5. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil.……

Checker

Date

Remarks

8-81

Lubrication and Servicing

supplement:

8. Hydraulic system

Replace new filter for the return filter of hoisting system

…………

…………

Replace new filter for the return filter of steering system……………

……

Replace new filter for the filter which mounted on the pipeline of the steering system………

Replace new filter for the filter which mounted on the pipeline of the cooling system

……

Replace new filter which mounted inside of the rear braking valve group…………..…………

Replace the breath valve for the steering hydraulic tank…………………………………….….

Replace the breath valve for the hoisting hydraulic tank…………………………………………

9. Bearing

Check the wearing status for oscillating bearings of steering drag link, replace new

one if the clearance of the bearing S≥ 0.54mm .Conversely, you could continue use it.

.…

…

Check the wearing status for oscillating bearings of A-shape arm, replace new one

if the clearance of the bearing S≥ 0.55mm .Conversely, you could continue use it.

.…

…

Check the wearing status for oscillating bearings of ends of the A-shape arm, replace

new one if the clearance of the bearing S≥ 0.7mm .Conversely, you could continue use it.

.…

…

Check the wearing status for oscillating bearings of steering cylinder , replace new

one if the clearance of the bearing S≥ 0.54mm .Conversely, you could continue use it.

.…

…

Check the wearing status for oscillating bearings of front suspension cylinder , replace new one if

the clearance of the bearing S≥ 0.55mm .Conversely, you could continue use it

….

Check the wearing status for oscillating bearings of rear suspension cylinder , replace new one if

the clearance of the bearing S≥ 0.63mm .Conversely, you could continue use it

….

Check the wearing status for oscillating bearings of A-shape , replace new one if

the clearance of the bearing S≥ 0.84mm .Conversely, you could continue use it

.…

…

Check the wearing status for oscillating bearings of link, replace new one if the

clearance of the bearing S≥

0.63mm .Conversely, you could continue use it.

.…

…

10. Check screw between steering arm and front suspension cylinder. If loosed or damaged

,tighten or replace new screw…………………………..…

………………………..…

11. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil...…

Checker

Date

Remarks

8-85

Lubrication and Servicing

8.6.30 Maintenance inspection form for 3150hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3150hrs.

1. For normally checking

Check leakages, loosened and damaged parts for truck.………

…………………………

Observe the cracks and welder seam for frame……………

…

2. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

3. Transmission

Clean the breather assembly for transmission and lubricates again.……

……..………

Check status about block caution lamp for filter.……………………

…….

Remark: drain, replace filter and refill after 150hrs, if transmission has been fixed.

4. Main reducer and differential assembly,planetary assembly and power take-off (PTO)

Extract lubrication sample from Main reducer and differential assembly and planetary assembly

for checking and analysis……………………………………………………

…………………

Check liquid level, refill as required…………………………………………

…………………

Check and clean the breather assembly for rear shaft.………………

………………

Check and clean the breather assembly for PTO………………………

…………...…

Remark: change oil when replace new one or after fixed.

5. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil.……

Checker

Date

Remarks

8-87

Lubrication and Servicing

8.6.31 Maintenance inspection form for 3250hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3250hrs.

1. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

Drain, replace filter and refill………………………………

………………………..…

Check breather assembly for crankcase………………………

………………………

Fuel system

Replace fuel filter…………………………………………………………………….………………

Cooling system

Replace coolant filter………………………………………………………………………..………

Check and supplement DCA to coolant…………….…

….

2. Front brake system

Check status about disc worn to determinate replace it if required.……

……………………

3. Lubrication

Front, rear transmissions cross shafts……………

…………

……..6 points

Front, rear transmission shafts…………………………

…………………

…….2 points

Checker

Date

Remarks

8-89

Lubrication and Servicing

8.6.32 Maintenance inspection form for 3300hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3300hrs.

1. For normally checking

Check leakages, loosened and damaged parts for truck.………

…………………………

Observe the cracks and welder seam for frame……………

…

2. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

3. Transmission

Clean the breather assembly for transmission and lubricates again.……

……..………

Check status about block caution lamp for filter.……………………

…….

Remark: drain, replace filter and refill after 150hrs, if transmission has been fixed.

4. Main reducer and differential assembly,planetary assembly and power take-off (PTO)

Extract lubrication sample from Main reducer and differential assembly and planetary assembly

for checking and analysis……………………………………………………

…………………

Check liquid level, refill as required…………………………………………

…………………

Check and clean the breather assembly for rear shaft.………………

………………

Check and clean the breather assembly for PTO………………………

…………...…

Remark: change oil when replace new one or after fixed.

5. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil.……

Checker

Date

Remarks

8-91

Lubrication and Servicing

8.6.33 Maintenance inspection form for 3450hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3450hrs.

1. For normally checking

Check leakages, loosened and damaged parts for truck.………

…………………………

Observe the cracks and welder seam for frame……………

…

2. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

3. Transmission

Clean the breather assembly for transmission and lubricates again.……

……..………

Check status about block caution lamp for filter.……………………

…….

Remark: drain, replace filter and refill after 150hrs, if transmission has been fixed.

4. Main reducer and differential assembly,planetary assembly and power take-off (PTO)

Extract lubrication sample from Main reducer and differential assembly and planetary assembly

for checking and analysis……………………………………………………

…………………

Check liquid level, refill as required…………………………………………

…………………

Check and clean the breather assembly for rear shaft.………………

………………

Check and clean the breather assembly for PTO………………………

…………...…

Remark: change oil when replace new one or after fixed.

5. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil.……

Checker

Date

Remarks

8-93

Lubrication and Servicing

8.6.34 Maintenance inspection form for 3500hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3500hrs.

1. Hydraulic system

Replace new filter for the return filter of hoisting system

…………

…………

Replace new filter for the return filter of cooling system……………

……

Replace new filter for the return filter of steering system……………

……

Replace new filter for the filter which mounted on the pipeline of the steering system………

Replace new filter for the filter which mounted on the pipeline of the cooling system………

Replace new filter which mounted inside of the rear braking valve group……………….……

Replace the breath valve for the steering hydraulic tank…………………………………….….

Replace the breath valve for the hoisting hydraulic tank…………………………………………

2. Check screw between steering arm and front suspension cylinder. If loosed or damaged

,tighten or replace new screw……………………………

………………………..…

3. Bearing

Check the wearing status for oscillating bearings of steering drag link, replace new

one if the clearance of the bearing S≥ 0.54mm .Conversely, you could continue use it.

.…

…

Check the wearing status for oscillating bearings of A-shape arm, replace new one

if the clearance of the bearing S≥ 0.55mm .Conversely, you could continue use it.

.…

…

Check the wearing status for oscillating bearings of ends of the A-shape arm, replace

new one if the clearance of the bearing S≥ 0.7mm .Conversely, you could continue use it.

.…

…

Check the wearing status for oscillating bearings of steering cylinder , replace new

one if the clearance of the bearing S≥ 0.54mm .Conversely, you could continue use it.

.…

…

Checker

Date

Remarks

8-95

Lubrication and Servicing

8.6.35 Maintenance inspection form for 3550hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3550hrs.

1. Cummins engine

Drain, replace filter and refill………………………………

………………………..…

Check breather assembly for crankcase………………………

………………………

Fuel system

Replace fuel filter…………………………………………………………………….………………

Cooling system

Replace coolant filter………………………………………………………………………..………

Check and supplement DCA to coolant…………….…

….

2. Front brake system

Check status about disc worn to determinate replace it if required.……

……………………

3. Lubrication

Front, rear transmissions cross shafts………………….……

…

…..6 points

Front, rear transmission shafts…………………………………………

……

…..2 points

Checker

Date

Remarks

8-97

Lubrication and Servicing

8.6.36 Maintenance inspection form for 3600hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3600hrs.

1. For normally checking

Check leakages, loosened and damaged parts for truck.………

…………………………

Observe the cracks and welder seam for frame……………

…

Check displacement and worn for transmission shaft by lever.………

…….……

2. Lubrication

Front, rear transmissions cross shafts………………….……

…

…..6 points

Front, rear transmission shafts…………………………………………

……

…..2 points

universal joint of steering rod

…………………………….……

…

3 points

Hands lubrication system

Check and clean the grease filter element……………

…

3. Electrical system

Check harnesses status.………………………………

………………………………

Check status about cables for storage battery……………………………………………………

Tighten for alternator and generator……………

………………………………………

4. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

Air cleaner………………………………………………………………

…………………………

Clean pipeline and filter for air cleaner

………………………………..………

5. Transmission

Clean the breather assembly for transmission and lubricates again.……

……..………

Check status about block caution lamp for filter.……………………

…….

Remark: drain, replace filter and refill after 150hrs, if transmission has been fixed.

6. Main reducer and differential assembly,planetary assembly and power take-off (PTO)

Extract lubrication sample from Main reducer and differential assembly and planetary assembly

for checking and analysis

…

Check liquid level, refill as required…………………………………………

…………………

Check and clean the breather assembly for rear shaft.………………

………………

Check and clean the breather assembly for PTO………………………

…………...…

Remark: change oil when replace new one or after fixed.

7. Fuel tank

Rain ,clean it and refilling…………...…

………

…………...…

8. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil.……

Checker

Date

Remarks

8-99

Lubrication and Servicing

8.6.37 Maintenance inspection form for 3750hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3750hrs.

1. For normally checking

Check leakages, loosened and damaged parts for truck.………

…………………………

Observe the cracks and welder seam for frame……………

…

2. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

Drain, replace filter and refill………………………………

………………………..…

Check breather assembly for crankcase………………………

………………………

Fuel system

Replace fuel filter…………………………………………………………………….………………

Cooling system

Replace coolant filter………………………………………………………………………..………

Check and supplement DCA to coolant…………….…

….

3. Transmission

Clean the breather assembly for transmission and lubricates again.……

……..………

Check status about block caution lamp for filter.……………………

…….

Remark: drain, replace filter and refill after 150hrs, if transmission has been fixed.

4. Front brake system

Check status about disc worn to determinate replace it if required.……

……………………

5. Main reducer and differential assembly,planetary assembly and power take-off (PTO)

Change the lubrication of Main reducer and differential assembly, planetary assembly and PTO.

.…

…

Check liquid level, refill as required…………………………………………

…………………

Check and clean the breather assembly for rear shaft.………………

………………

Check and clean the breather assembly for PTO………………………

…………...…

Remark: change oil when replace new one or after fixed.

Checker

Date

Remarks

8-101

Lubrication and Servicing

supplement:

6. Lubrication

Front, rear transmissions cross shafts……………

…………

……..6 points

Front, rear transmission shafts…………………………

…………………

…….2 points

7.The scene did not conduct the driveline assembly bolts inspection requirements (The first 150

hours, After every 1200 hours)

Front driveline bolts tightening torque:145N.m……………………………………

…………

Rear driveline bolts tightening torque:260N.m……………….……………………

…………

Front driveline bolts check torque:140N.m……………………...…………………

…………

Rear driveline bolts check torque:250N.m…………………………………………

…………

8. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil.……

8.Check the driveline bolts torque(first time after 150hrs, next time after each 1200hrs)…...

Use of the site

Tightening torque

Check torque

Front driveline

145

140

Fear driveline

260

250

Checker

Date

Remarks

8-103

Lubrication and Servicing

8.6.38 Maintenance inspection form for 3900hrs

Except daily (10hrs) inspection projects, the following projects also have to finish after running

3900hrs.

1. For normally checking

Check leakages, loosened and damaged parts for truck.………

…………………………

Observe the cracks and welder seam for frame……………

…

2. Cummins engine

Check the fasteners for engine………………………………………

…………

Check PTO liquid level, refill as required……………………..…………

………………

3. Transmission

Clean the breather assembly for transmission and lubricates again.……

……..………

Check status about block caution lamp for filter.……………………

…….

Remark: drain, replace filter and refill after 150hrs, if transmission has been fixed.

4. Main reducer and differential assembly,planetary assembly and power take-off (PTO)

Extract lubrication sample from Main reducer and differential assembly and planetary assembly

for checking and analysis

…

Check liquid level, refill as required…………………………………………

…………………

Check and clean the breather assembly for rear shaft………………

………………

Check and clean the breather assembly for PTO………………………

…………...…

Remark: change oil when replace new one or after fixed.

5. Clean up the dust on the pin shaft of foot-operated valve,and add the lubricating oil.……

Checker

Date

Remarks

8-105

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