jcb 214e Service Manual page 618

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Section F
35 - 2
Synchro Shuttle Gearbox (cont'd)
CHECK
14 Is 'converter in' pressure as specified?
15 Is pump being driven by converter?
Are clutch sealing rings damaged?
16
17 Is there drive in one direction only?
18 Is the start switch in the run position and supplying
current to the neutral start relay?
19 Is the fault only when the transmission is hot?
20 Is the noise a growl, hum or grinding?
21 Is the noise a hiss, thump or bumping?
22 Is the noise a squeal?
23 Is the noise present when in neutral or when in gear? NEUTRAL: Check 24
Is the countershaft or its bearings worn or damaged?
24
Is there excessive backlash in the gears?
25
26 Is the mainshaft pilot bearing worn?
27 Is the mainshaft rear bearing worn?
28 Are the sliding gear teeth worn or damaged?
29 Are the selector forks loose?
30 Are the selector fork pads or grooves in gears worn?
31 Are the dog gear teeth worn?
32 Are the selector rod detent springs broken?
9803/3280
Transmission
Fault Finding
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ACTION
YES: Check 15
NO: Inspect converter relief valve for damage. Check
cooler bypass valve pressure setting.
YES: Check pump pressure.
NO: Renew damaged parts.
YES: Tap pressure gauge into clutch feed lines to monitor
pressure.
NO: Check clutch plates for damage.
YES: Check 19
NO: Check 18
YES: Check 19
NO: Rectify.
YES: Dismantle solenoid and check components.
NO: Check microswitches, relay and wiring loom.
YES: Check gears for damage or wear.
NO: Check 21
YES: Check bearings for damage or wear.
NO: Check 22
YES: Check free running gears for seizure.
NO: Check 23
IN GEAR: Check 27
YES: Renew damaged parts.
NO: Check 25
YES: Adjust by checking shaft end float.
NO: Check 26
YES: Renew.
NO: Check gear teeth for scuffing.
YES: Renew.
NO: Check 28
YES: Renew gears.
NO: Check 29
YES: Tighten screws.
NO: Check 30
YES: Renew worn parts.
NO: Check 31
YES: Renew.
NO: Check 32
YES: Renew.
NO: Check 33
Section F
35 - 2
Issue 1